Repository: azogue/aiopvpc (language: python)

Issue:
Switch to poetry-core
[`poetry-core`](https://github.com/python-poetry/poetry-core) is intended to be a light weight, fully compliant, self-contained package allowing PEP 517 compatible build frontends to build Poetry managed projects.

Using `poetry-core` allows distribution packages to depend only on the build backend.


Discussion / hints:

Fix patch:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ac7d627..2724455 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
-minimum_pre_commit_version: "1.13.0"
+minimum_pre_commit_version: "2.10.0"
 repos:
   - repo: https://github.com/psf/black
-    rev: "19.10b0"
+    rev: "20.8b1"
     hooks:
       - id: black
         name: Format code (black)
@@ -10,21 +10,27 @@ repos:
     hooks:
       - id: end-of-file-fixer
       - id: trailing-whitespace
-  - repo: https://gitlab.com/PyCQA/flake8
-    rev: "3.7.9"
+  - repo: https://github.com/pycqa/flake8
+    rev: "3.8.4"
     hooks:
       - id: flake8
         name: Lint code (flake8)
         additional_dependencies:
-          - flake8==3.7.9
-          - flake8-broken-line==0.1.1
-          - flake8-bugbear==20.1.0
-          - flake8-builtins==1.4.2
-          - flake8-comprehensions==3.1.4
-          - flake8-import-order==0.18.1
-          - flake8-mutable==1.2.0
-          - flake8-pie==0.4.2
-          - flake8-quotes==2.1.1
-          - flake8-string-format==0.2.3
-          - flake8-tidy-imports==3.1.0
-          - pep8-naming==0.9.1
+          - flake8>=3.8.4
+          - flake8-broken-line>=0.3.0
+          - flake8-bugbear>=20.11.1
+          - flake8-builtins>=1.5.3
+          - flake8-comprehensions>=3.3.1
+          - flake8-import-order>=0.18.1
+          - flake8-mutable>=1.2.0
+          - flake8-pie>=0.6.1
+          - flake8-quotes>=3.2.0
+          - flake8-string-format>=0.3.0
+          - flake8-tidy-imports>=4.2.1
+          - pep8-naming>=0.11.1
+  - repo: "https://github.com/pre-commit/mirrors-mypy"
+    rev: "v0.812"
+    hooks:
+      - id: "mypy"
+        name: "Check type hints (mypy)"
+        verbose: true
diff --git a/aiopvpc/pvpc_data.py b/aiopvpc/pvpc_data.py
index f1e2597..12d9e1f 100644
--- a/aiopvpc/pvpc_data.py
+++ b/aiopvpc/pvpc_data.py
@@ -14,6 +14,7 @@
 import aiohttp
 import async_timeout
 import pytz
+from pytz.tzinfo import DstTzInfo
 
 from .pvpc_download import (
     DEFAULT_TIMEOUT,
@@ -46,14 +47,14 @@ def __init__(
         self,
         tariff: Optional[str] = None,
         websession: Optional[aiohttp.ClientSession] = None,
-        local_timezone: pytz.tzinfo.DstTzInfo = REFERENCE_TZ,
+        local_timezone: DstTzInfo = REFERENCE_TZ,
         logger: Optional[logging.Logger] = None,
         timeout: float = DEFAULT_TIMEOUT,
     ):
         self.source_available = True
-        self.state = None
+        self.state: Optional[float] = None
         self.state_available = False
-        self.attributes = None
+        self.attributes: Dict[str, Any] = {}
 
         self.tariff = tariff
         self.timeout = timeout
@@ -81,13 +82,14 @@ async def _download_pvpc_prices(self, day: date) -> Dict[datetime, Any]:
         Prices are referenced with datetimes in UTC.
         """
         url = get_url_for_daily_json(day)
+        assert self._session is not None
+        tariff = TARIFF_KEYS.get(self.tariff) if self.tariff else None
         try:
             with async_timeout.timeout(self.timeout):
                 resp = await self._session.get(url)
                 if resp.status < 400:
                     data = await resp.json()
-                    pvpc_data = extract_pvpc_data(data, TARIFF_KEYS.get(self.tariff))
-                    return pvpc_data
+                    return extract_pvpc_data(data, tariff)
         except KeyError:
             self._logger.debug("Bad try on getting prices for %s", day)
         except asyncio.TimeoutError:
@@ -128,11 +130,14 @@ def process_state_and_attributes(self, utc_now: datetime) -> bool:
         The data source provides prices in 0 to 24h sets, with correspondence
         with the main timezone in Spain. They are stored with UTC datetimes.
         """
+        attributes: Dict[str, Any] = {
+            "attribution": _ATTRIBUTION,
+            "tariff": self.tariff,
+        }
 
         def _local(dt_utc: datetime) -> datetime:
             return dt_utc.astimezone(self._local_timezone)
 
-        attributes = {"attribution": _ATTRIBUTION, "tariff": self.tariff}
         utc_time = utc_now.astimezone(pytz.UTC).replace(
             minute=0, second=0, microsecond=0
         )
@@ -208,7 +213,7 @@ async def _multi_download(
         self, days_to_download: List[date], max_calls: int
     ) -> Iterable[Tuple[date, Dict[datetime, Any]]]:
         """Multiple requests using an asyncio.Queue for concurrency."""
-        queue = asyncio.Queue()
+        queue: asyncio.Queue = asyncio.Queue()
         # setup `max_calls` queue workers
         worker_tasks = [
             asyncio.create_task(self._download_worker(f"worker-{i+1}", queue))
diff --git a/poetry.lock b/poetry.lock
index b9430a7..293071d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,192 +1,189 @@
 [[package]]
-category = "main"
-description = "Async http client/server framework (asyncio)"
 name = "aiohttp"
+version = "3.7.4.post0"
+description = "Async http client/server framework (asyncio)"
+category = "main"
 optional = false
-python-versions = ">=3.5.3"
-version = "3.6.2"
+python-versions = ">=3.6"
 
 [package.dependencies]
 async-timeout = ">=3.0,<4.0"
 attrs = ">=17.3.0"
-chardet = ">=2.0,<4.0"
-multidict = ">=4.5,<5.0"
+chardet = ">=2.0,<5.0"
+multidict = ">=4.5,<7.0"
+typing-extensions = ">=3.6.5"
 yarl = ">=1.0,<2.0"
 
 [package.extras]
 speedups = ["aiodns", "brotlipy", "cchardet"]
 
 [[package]]
-category = "dev"
-description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
 name = "appdirs"
+version = "1.4.4"
+description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.4.4"
 
 [[package]]
-category = "main"
-description = "Timeout context manager for asyncio programs"
 name = "async-timeout"
+version = "3.0.1"
+description = "Timeout context manager for asyncio programs"
+category = "main"
 optional = false
 python-versions = ">=3.5.3"
-version = "3.0.1"
 
 [[package]]
-category = "dev"
-description = "Atomic file writes."
-marker = "sys_platform == \"win32\""
 name = "atomicwrites"
+version = "1.4.0"
+description = "Atomic file writes."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.4.0"
 
 [[package]]
-category = "main"
-description = "Classes Without Boilerplate"
 name = "attrs"
+version = "21.2.0"
+description = "Classes Without Boilerplate"
+category = "main"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.3.0"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.extras]
-azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
-dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
-docs = ["sphinx", "zope.interface"]
-tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface", "furo", "sphinx", "sphinx-notfound-page", "pre-commit"]
+docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins"]
 
 [[package]]
-category = "dev"
-description = "The uncompromising code formatter."
 name = "black"
+version = "21.5b0"
+description = "The uncompromising code formatter."
+category = "dev"
 optional = false
-python-versions = ">=3.6"
-version = "19.10b0"
+python-versions = ">=3.6.2"
 
 [package.dependencies]
 appdirs = "*"
-attrs = ">=18.1.0"
-click = ">=6.5"
-pathspec = ">=0.6,<1"
-regex = "*"
-toml = ">=0.9.4"
-typed-ast = ">=1.4.0"
+click = ">=7.1.2"
+mypy-extensions = ">=0.4.3"
+pathspec = ">=0.8.1,<1"
+regex = ">=2020.1.8"
+toml = ">=0.10.1"
+typed-ast = {version = ">=1.4.2", markers = "python_version < \"3.8\""}
+typing-extensions = {version = ">=3.7.4", markers = "python_version < \"3.8\""}
 
 [package.extras]
+colorama = ["colorama (>=0.4.3)"]
 d = ["aiohttp (>=3.3.2)", "aiohttp-cors"]
+python2 = ["typed-ast (>=1.4.2)"]
 
 [[package]]
-category = "dev"
-description = "Validate configuration and produce human readable error messages."
 name = "cfgv"
+version = "3.2.0"
+description = "Validate configuration and produce human readable error messages."
+category = "dev"
 optional = false
 python-versions = ">=3.6.1"
-version = "3.2.0"
 
 [[package]]
-category = "main"
-description = "Universal encoding detector for Python 2 and 3"
 name = "chardet"
+version = "4.0.0"
+description = "Universal encoding detector for Python 2 and 3"
+category = "main"
 optional = false
-python-versions = "*"
-version = "3.0.4"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
-category = "dev"
-description = "Composable command line interface toolkit"
 name = "click"
+version = "7.1.2"
+description = "Composable command line interface toolkit"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "7.1.2"
 
 [[package]]
-category = "dev"
-description = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
 name = "colorama"
+version = "0.4.4"
+description = "Cross-platform colored terminal text."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.4.3"
 
 [[package]]
-category = "dev"
-description = "Code coverage measurement for Python"
 name = "coverage"
+version = "5.5"
+description = "Code coverage measurement for Python"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
-version = "5.2.1"
 
 [package.extras]
 toml = ["toml"]
 
 [[package]]
-category = "dev"
-description = "Distribution utilities"
 name = "distlib"
-optional = false
-python-versions = "*"
 version = "0.3.1"
-
-[[package]]
+description = "Distribution utilities"
 category = "dev"
-description = "Discover and load entry points from installed packages."
-name = "entrypoints"
 optional = false
-python-versions = ">=2.7"
-version = "0.3"
+python-versions = "*"
 
 [[package]]
-category = "dev"
-description = "A platform independent file lock."
 name = "filelock"
+version = "3.0.12"
+description = "A platform independent file lock."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "3.0.12"
 
 [[package]]
-category = "dev"
-description = "the modular source code checker: pep8, pyflakes and co"
 name = "flake8"
+version = "3.9.1"
+description = "the modular source code checker: pep8 pyflakes and co"
+category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "3.7.9"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
 [package.dependencies]
-entrypoints = ">=0.3.0,<0.4.0"
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 mccabe = ">=0.6.0,<0.7.0"
-pycodestyle = ">=2.5.0,<2.6.0"
-pyflakes = ">=2.1.0,<2.2.0"
+pycodestyle = ">=2.7.0,<2.8.0"
+pyflakes = ">=2.3.0,<2.4.0"
 
 [[package]]
-category = "dev"
-description = "Flake8 plugin to forbid backslashes for line breaks"
 name = "flake8-broken-line"
+version = "0.3.0"
+description = "Flake8 plugin to forbid backslashes for line breaks"
+category = "dev"
 optional = false
 python-versions = ">=3.6,<4.0"
-version = "0.1.1"
 
 [package.dependencies]
 flake8 = ">=3.5,<4.0"
 
 [[package]]
-category = "dev"
-description = "A plugin for flake8 finding likely bugs and design problems in your program. Contains warnings that don't belong in pyflakes and pycodestyle."
 name = "flake8-bugbear"
+version = "21.4.3"
+description = "A plugin for flake8 finding likely bugs and design problems in your program. Contains warnings that don't belong in pyflakes and pycodestyle."
+category = "dev"
 optional = false
 python-versions = ">=3.6"
-version = "20.1.0"
 
 [package.dependencies]
-attrs = "*"
+attrs = ">=19.2.0"
 flake8 = ">=3.0.0"
 
+[package.extras]
+dev = ["coverage", "black", "hypothesis", "hypothesmith"]
+
 [[package]]
-category = "dev"
-description = "Check for python builtins being used as variables or parameters."
 name = "flake8-builtins"
+version = "1.5.3"
+description = "Check for python builtins being used as variables or parameters."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.4.2"
 
 [package.dependencies]
 flake8 = "*"
@@ -195,325 +192,337 @@ flake8 = "*"
 test = ["coverage", "coveralls", "mock", "pytest", "pytest-cov"]
 
 [[package]]
-category = "dev"
-description = "A flake8 plugin to help you write better list/set/dict comprehensions."
 name = "flake8-comprehensions"
+version = "3.4.0"
+description = "A flake8 plugin to help you write better list/set/dict comprehensions."
+category = "dev"
 optional = false
-python-versions = ">=3.5"
-version = "3.1.4"
+python-versions = ">=3.6"
 
 [package.dependencies]
 flake8 = ">=3.0,<3.2.0 || >3.2.0,<4"
-
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = "*"
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 
 [[package]]
-category = "dev"
-description = "Flake8 and pylama plugin that checks the ordering of import statements."
 name = "flake8-import-order"
+version = "0.18.1"
+description = "Flake8 and pylama plugin that checks the ordering of import statements."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.18.1"
 
 [package.dependencies]
 pycodestyle = "*"
-setuptools = "*"
 
 [[package]]
-category = "dev"
-description = "mutable defaults flake8 extension"
 name = "flake8-mutable"
+version = "1.2.0"
+description = "mutable defaults flake8 extension"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.2.0"
 
 [package.dependencies]
 flake8 = "*"
 
 [[package]]
-category = "dev"
-description = "A flake8 extension that implements misc. lints"
 name = "flake8-pie"
+version = "0.11.0"
+description = "A flake8 extension that implements misc. lints"
+category = "dev"
 optional = false
-python-versions = ">=3.6"
-version = "0.4.2"
+python-versions = ">=3.7"
+
+[package.dependencies]
+typing_extensions = "*"
 
 [[package]]
-category = "dev"
-description = "Polyfill package for Flake8 plugins"
 name = "flake8-polyfill"
+version = "1.0.2"
+description = "Polyfill package for Flake8 plugins"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.0.2"
 
 [package.dependencies]
 flake8 = "*"
 
 [[package]]
-category = "dev"
-description = "Flake8 lint for quotes."
 name = "flake8-quotes"
+version = "3.2.0"
+description = "Flake8 lint for quotes."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "2.1.1"
 
 [package.dependencies]
 flake8 = "*"
 
 [[package]]
-category = "dev"
-description = "string format checker, plugin for flake8"
 name = "flake8-string-format"
+version = "0.3.0"
+description = "string format checker, plugin for flake8"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.2.3"
 
 [package.dependencies]
 flake8 = "*"
 
 [[package]]
-category = "dev"
-description = "A flake8 plugin that helps you write tidier imports."
 name = "flake8-tidy-imports"
+version = "4.2.1"
+description = "A flake8 plugin that helps you write tidier imports."
+category = "dev"
 optional = false
-python-versions = ">=3.5"
-version = "3.1.0"
+python-versions = ">=3.6"
 
 [package.dependencies]
 flake8 = ">=3.0,<3.2.0 || >3.2.0,<4"
-
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = "*"
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 
 [[package]]
-category = "dev"
-description = "File identification library for Python"
 name = "identify"
+version = "2.2.4"
+description = "File identification library for Python"
+category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "1.4.25"
+python-versions = ">=3.6.1"
 
 [package.extras]
-license = ["editdistance"]
+license = ["editdistance-s"]
 
 [[package]]
-category = "main"
-description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
+version = "3.1"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.10"
+python-versions = ">=3.4"
 
 [[package]]
-category = "dev"
-description = "Read metadata from Python packages"
-marker = "python_version < \"3.8\""
 name = "importlib-metadata"
+version = "4.0.1"
+description = "Read metadata from Python packages"
+category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "1.7.0"
+python-versions = ">=3.6"
 
 [package.dependencies]
+typing-extensions = {version = ">=3.6.4", markers = "python_version < \"3.8\""}
 zipp = ">=0.5"
 
 [package.extras]
-docs = ["sphinx", "rst.linker"]
-testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
+docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
 [[package]]
+name = "iniconfig"
+version = "1.1.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
 category = "dev"
-description = "McCabe checker, plugin for flake8"
-name = "mccabe"
 optional = false
 python-versions = "*"
-version = "0.6.1"
 
 [[package]]
+name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
 category = "dev"
-description = "More routines for operating on iterables, beyond itertools"
-name = "more-itertools"
 optional = false
-python-versions = ">=3.5"
-version = "8.4.0"
+python-versions = "*"
 
 [[package]]
-category = "main"
-description = "multidict implementation"
 name = "multidict"
+version = "5.1.0"
+description = "multidict implementation"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "mypy"
+version = "0.812"
+description = "Optional static typing for Python"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "4.7.6"
+
+[package.dependencies]
+mypy-extensions = ">=0.4.3,<0.5.0"
+typed-ast = ">=1.4.0,<1.5.0"
+typing-extensions = ">=3.7.4"
+
+[package.extras]
+dmypy = ["psutil (>=4.0)"]
 
 [[package]]
+name = "mypy-extensions"
+version = "0.4.3"
+description = "Experimental type system extensions for programs checked with the mypy typechecker."
 category = "dev"
-description = "Node.js virtual environment builder"
-name = "nodeenv"
 optional = false
 python-versions = "*"
-version = "1.4.0"
 
 [[package]]
+name = "nodeenv"
+version = "1.6.0"
+description = "Node.js virtual environment builder"
 category = "dev"
-description = "Core utilities for Python packages"
+optional = false
+python-versions = "*"
+
+[[package]]
 name = "packaging"
+version = "20.9"
+description = "Core utilities for Python packages"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.4"
 
 [package.dependencies]
 pyparsing = ">=2.0.2"
-six = "*"
 
 [[package]]
-category = "dev"
-description = "Utility library for gitignore style pattern matching of file paths."
 name = "pathspec"
+version = "0.8.1"
+description = "Utility library for gitignore style pattern matching of file paths."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.8.0"
 
 [[package]]
-category = "dev"
-description = "Check PEP-8 naming conventions, plugin for flake8"
 name = "pep8-naming"
+version = "0.11.1"
+description = "Check PEP-8 naming conventions, plugin for flake8"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.9.1"
 
 [package.dependencies]
 flake8-polyfill = ">=1.0.2,<2"
 
 [[package]]
-category = "dev"
-description = "plugin and hook calling mechanisms for python"
 name = "pluggy"
+version = "0.13.1"
+description = "plugin and hook calling mechanisms for python"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.13.1"
 
 [package.dependencies]
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 
 [package.extras]
 dev = ["pre-commit", "tox"]
 
 [[package]]
-category = "dev"
-description = "A framework for managing and maintaining multi-language pre-commit hooks."
 name = "pre-commit"
+version = "2.12.1"
+description = "A framework for managing and maintaining multi-language pre-commit hooks."
+category = "dev"
 optional = false
 python-versions = ">=3.6.1"
-version = "2.6.0"
 
 [package.dependencies]
 cfgv = ">=2.0.0"
 identify = ">=1.0.0"
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 nodeenv = ">=0.11.1"
 pyyaml = ">=5.1"
 toml = "*"
 virtualenv = ">=20.0.8"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = "*"
-
 [[package]]
-category = "dev"
-description = "library with cross-python path, ini-parsing, io, code, log facilities"
 name = "py"
+version = "1.10.0"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.9.0"
 
 [[package]]
-category = "dev"
-description = "Python style guide checker"
 name = "pycodestyle"
+version = "2.7.0"
+description = "Python style guide checker"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.5.0"
 
 [[package]]
-category = "dev"
-description = "passive checker of Python programs"
 name = "pyflakes"
+version = "2.3.1"
+description = "passive checker of Python programs"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.1.1"
 
 [[package]]
-category = "dev"
-description = "Python parsing module"
 name = "pyparsing"
+version = "2.4.7"
+description = "Python parsing module"
+category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.7"
 
 [[package]]
-category = "dev"
-description = "pytest: simple powerful testing with Python"
 name = "pytest"
+version = "6.2.4"
+description = "pytest: simple powerful testing with Python"
+category = "dev"
 optional = false
-python-versions = ">=3.5"
-version = "5.3.5"
+python-versions = ">=3.6"
 
 [package.dependencies]
-atomicwrites = ">=1.0"
-attrs = ">=17.4.0"
-colorama = "*"
-more-itertools = ">=4.0.0"
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
+attrs = ">=19.2.0"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
+iniconfig = "*"
 packaging = "*"
-pluggy = ">=0.12,<1.0"
-py = ">=1.5.0"
-wcwidth = "*"
-
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+pluggy = ">=0.12,<1.0.0a1"
+py = ">=1.8.2"
+toml = "*"
 
 [package.extras]
-checkqa-mypy = ["mypy (v0.761)"]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
+name = "pytest-asyncio"
+version = "0.15.1"
+description = "Pytest support for asyncio."
 category = "dev"
-description = "pytest plugin for aiohttp support"
-name = "pytest-aiohttp"
 optional = false
-python-versions = "*"
-version = "0.3.0"
+python-versions = ">= 3.6"
 
 [package.dependencies]
-aiohttp = ">=2.3.5"
-pytest = "*"
+pytest = ">=5.4.0"
+
+[package.extras]
+testing = ["coverage", "hypothesis (>=5.7.1)"]
 
 [[package]]
-category = "dev"
-description = "Pytest plugin for measuring coverage."
 name = "pytest-cov"
+version = "2.11.1"
+description = "Pytest plugin for measuring coverage."
+category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
-coverage = ">=4.4"
-pytest = ">=3.6"
+coverage = ">=5.2.1"
+pytest = ">=4.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "virtualenv"]
+testing = ["fields", "hunter", "process-tests (==2.0.2)", "six", "pytest-xdist", "virtualenv"]
 
 [[package]]
-category = "dev"
-description = "pytest-sugar is a plugin for pytest that changes the default look and feel of pytest (e.g. progressbar, show tests that fail instantly)."
 name = "pytest-sugar"
+version = "0.9.4"
+description = "pytest-sugar is a plugin for pytest that changes the default look and feel of pytest (e.g. progressbar, show tests that fail instantly)."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.9.2"
 
 [package.dependencies]
 packaging = ">=14.1"
@@ -521,159 +530,168 @@ pytest = ">=2.9"
 termcolor = ">=1.1.0"
 
 [[package]]
-category = "dev"
-description = "py.test plugin to abort hanging tests"
 name = "pytest-timeout"
+version = "1.4.2"
+description = "py.test plugin to abort hanging tests"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.3.3"
 
 [package.dependencies]
 pytest = ">=3.6.0"
 
 [[package]]
-category = "main"
-description = "World timezone definitions, modern and historical"
 name = "pytz"
+version = "2021.1"
+description = "World timezone definitions, modern and historical"
+category = "main"
 optional = false
 python-versions = "*"
-version = "2020.1"
 
 [[package]]
-category = "dev"
-description = "YAML parser and emitter for Python"
 name = "pyyaml"
+version = "5.4.1"
+description = "YAML parser and emitter for Python"
+category = "dev"
 optional = false
-python-versions = "*"
-version = "5.3.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
 
 [[package]]
-category = "dev"
-description = "Alternative regular expression module, to replace re."
 name = "regex"
+version = "2021.4.4"
+description = "Alternative regular expression module, to replace re."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "2020.7.14"
 
 [[package]]
-category = "dev"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.16.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "1.15.0"
 
 [[package]]
-category = "dev"
-description = "ANSII Color formatting for output in terminal."
 name = "termcolor"
+version = "1.1.0"
+description = "ANSII Color formatting for output in terminal."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.1.0"
 
 [[package]]
-category = "dev"
-description = "Python Library for Tom's Obvious, Minimal Language"
 name = "toml"
+version = "0.10.2"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "dev"
 optional = false
-python-versions = "*"
-version = "0.10.1"
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
-category = "dev"
-description = "a fork of Python 2 and 3 ast modules with type comment support"
 name = "typed-ast"
+version = "1.4.3"
+description = "a fork of Python 2 and 3 ast modules with type comment support"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.4.1"
 
 [[package]]
-category = "main"
-description = "Backported and Experimental Type Hints for Python 3.5+"
-marker = "python_version < \"3.8\""
 name = "typing-extensions"
+version = "3.10.0.0"
+description = "Backported and Experimental Type Hints for Python 3.5+"
+category = "main"
 optional = false
 python-versions = "*"
-version = "3.7.4.2"
 
 [[package]]
-category = "dev"
-description = "Virtual Python Environment builder"
 name = "virtualenv"
+version = "20.4.6"
+description = "Virtual Python Environment builder"
+category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "20.0.29"
 
 [package.dependencies]
 appdirs = ">=1.4.3,<2"
 distlib = ">=0.3.1,<1"
 filelock = ">=3.0.0,<4"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 six = ">=1.9.0,<2"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12,<2"
-
 [package.extras]
 docs = ["proselint (>=0.10.2)", "sphinx (>=3)", "sphinx-argparse (>=0.2.5)", "sphinx-rtd-theme (>=0.4.3)", "towncrier (>=19.9.0rc1)"]
-testing = ["coverage (>=5)", "coverage-enable-subprocess (>=1)", "flaky (>=3)", "pytest (>=4)", "pytest-env (>=0.6.2)", "pytest-freezegun (>=0.4.1)", "pytest-mock (>=2)", "pytest-randomly (>=1)", "pytest-timeout (>=1)", "pytest-xdist (>=1.31.0)", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
-
-[[package]]
-category = "dev"
-description = "Measures the displayed width of unicode strings in a terminal"
-name = "wcwidth"
-optional = false
-python-versions = "*"
-version = "0.2.5"
+testing = ["coverage (>=4)", "coverage-enable-subprocess (>=1)", "flaky (>=3)", "pytest (>=4)", "pytest-env (>=0.6.2)", "pytest-freezegun (>=0.4.1)", "pytest-mock (>=2)", "pytest-randomly (>=1)", "pytest-timeout (>=1)", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
 
 [[package]]
-category = "main"
-description = "Yet another URL library"
 name = "yarl"
+version = "1.6.3"
+description = "Yet another URL library"
+category = "main"
 optional = false
-python-versions = ">=3.5"
-version = "1.5.1"
+python-versions = ">=3.6"
 
 [package.dependencies]
 idna = ">=2.0"
 multidict = ">=4.0"
-
-[package.dependencies.typing-extensions]
-python = "<3.8"
-version = ">=3.7.4"
+typing-extensions = {version = ">=3.7.4", markers = "python_version < \"3.8\""}
 
 [[package]]
-category = "dev"
-description = "Backport of pathlib-compatible object wrapper for zip files"
-marker = "python_version < \"3.8\""
 name = "zipp"
+version = "3.4.1"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
-version = "3.1.0"
 
 [package.extras]
-docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["jaraco.itertools", "func-timeout"]
+docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "pytest-enabler", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
 [metadata]
-content-hash = "238d129326271a2e712b78d8dfd00a919b74a7fb540d749de530bb13dc6a8b22"
-lock-version = "1.0"
-python-versions = "^3.7"
+lock-version = "1.1"
+python-versions = ">=3.7,<4.0"
+content-hash = "4ba69ad9893c4e7bfe35442e4ec96f9807d0349c9d3eaf723f5b79a5e5a8fdd2"
 
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 aiohttp = [
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+    {file = "yarl-1.6.3-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:2ce4c621d21326a4a5500c25031e102af589edb50c09b321049e388b3934eec3"},
+    {file = "yarl-1.6.3-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:d26608cf178efb8faa5ff0f2d2e77c208f471c5a3709e577a7b3fd0445703ac8"},
+    {file = "yarl-1.6.3-cp37-cp37m-manylinux2014_i686.whl", hash = "sha256:4c5bcfc3ed226bf6419f7a33982fb4b8ec2e45785a0561eb99274ebbf09fdd6a"},
+    {file = "yarl-1.6.3-cp37-cp37m-manylinux2014_ppc64le.whl", hash = "sha256:4736eaee5626db8d9cda9eb5282028cc834e2aeb194e0d8b50217d707e98bb5c"},
+    {file = "yarl-1.6.3-cp37-cp37m-manylinux2014_s390x.whl", hash = "sha256:68dc568889b1c13f1e4745c96b931cc94fdd0defe92a72c2b8ce01091b22e35f"},
+    {file = "yarl-1.6.3-cp37-cp37m-manylinux2014_x86_64.whl", hash = "sha256:7356644cbed76119d0b6bd32ffba704d30d747e0c217109d7979a7bc36c4d970"},
+    {file = "yarl-1.6.3-cp37-cp37m-win32.whl", hash = "sha256:00d7ad91b6583602eb9c1d085a2cf281ada267e9a197e8b7cae487dadbfa293e"},
+    {file = "yarl-1.6.3-cp37-cp37m-win_amd64.whl", hash = "sha256:69ee97c71fee1f63d04c945f56d5d726483c4762845400a6795a3b75d56b6c50"},
+    {file = "yarl-1.6.3-cp38-cp38-macosx_10_14_x86_64.whl", hash = "sha256:e46fba844f4895b36f4c398c5af062a9808d1f26b2999c58909517384d5deda2"},
+    {file = "yarl-1.6.3-cp38-cp38-manylinux1_i686.whl", hash = "sha256:31ede6e8c4329fb81c86706ba8f6bf661a924b53ba191b27aa5fcee5714d18ec"},
+    {file = "yarl-1.6.3-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:fcbb48a93e8699eae920f8d92f7160c03567b421bc17362a9ffbbd706a816f71"},
+    {file = "yarl-1.6.3-cp38-cp38-manylinux2014_i686.whl", hash = "sha256:72a660bdd24497e3e84f5519e57a9ee9220b6f3ac4d45056961bf22838ce20cc"},
+    {file = "yarl-1.6.3-cp38-cp38-manylinux2014_ppc64le.whl", hash = "sha256:324ba3d3c6fee56e2e0b0d09bf5c73824b9f08234339d2b788af65e60040c959"},
+    {file = "yarl-1.6.3-cp38-cp38-manylinux2014_s390x.whl", hash = "sha256:e6b5460dc5ad42ad2b36cca524491dfcaffbfd9c8df50508bddc354e787b8dc2"},
+    {file = "yarl-1.6.3-cp38-cp38-manylinux2014_x86_64.whl", hash = "sha256:6d6283d8e0631b617edf0fd726353cb76630b83a089a40933043894e7f6721e2"},
+    {file = "yarl-1.6.3-cp38-cp38-win32.whl", hash = "sha256:9ede61b0854e267fd565e7527e2f2eb3ef8858b301319be0604177690e1a3896"},
+    {file = "yarl-1.6.3-cp38-cp38-win_amd64.whl", hash = "sha256:f0b059678fd549c66b89bed03efcabb009075bd131c248ecdf087bdb6faba24a"},
+    {file = "yarl-1.6.3-cp39-cp39-macosx_10_14_x86_64.whl", hash = "sha256:329412812ecfc94a57cd37c9d547579510a9e83c516bc069470db5f75684629e"},
+    {file = "yarl-1.6.3-cp39-cp39-manylinux1_i686.whl", hash = "sha256:c49ff66d479d38ab863c50f7bb27dee97c6627c5fe60697de15529da9c3de724"},
+    {file = "yarl-1.6.3-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:f040bcc6725c821a4c0665f3aa96a4d0805a7aaf2caf266d256b8ed71b9f041c"},
+    {file = "yarl-1.6.3-cp39-cp39-manylinux2014_i686.whl", hash = "sha256:d5c32c82990e4ac4d8150fd7652b972216b204de4e83a122546dce571c1bdf25"},
+    {file = "yarl-1.6.3-cp39-cp39-manylinux2014_ppc64le.whl", hash = "sha256:d597767fcd2c3dc49d6eea360c458b65643d1e4dbed91361cf5e36e53c1f8c96"},
+    {file = "yarl-1.6.3-cp39-cp39-manylinux2014_s390x.whl", hash = "sha256:8aa3decd5e0e852dc68335abf5478a518b41bf2ab2f330fe44916399efedfae0"},
+    {file = "yarl-1.6.3-cp39-cp39-manylinux2014_x86_64.whl", hash = "sha256:73494d5b71099ae8cb8754f1df131c11d433b387efab7b51849e7e1e851f07a4"},
+    {file = "yarl-1.6.3-cp39-cp39-win32.whl", hash = "sha256:5b883e458058f8d6099e4420f0cc2567989032b5f34b271c0827de9f1079a424"},
+    {file = "yarl-1.6.3-cp39-cp39-win_amd64.whl", hash = "sha256:4953fb0b4fdb7e08b2f3b3be80a00d28c5c8a2056bb066169de00e6501b986b6"},
+    {file = "yarl-1.6.3.tar.gz", hash = "sha256:8a9066529240171b68893d60dca86a763eae2139dd42f42106b03cf4b426bf10"},
 ]
 zipp = [
-    {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},
-    {file = "zipp-3.1.0.tar.gz", hash = "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"},
+    {file = "zipp-3.4.1-py3-none-any.whl", hash = "sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098"},
+    {file = "zipp-3.4.1.tar.gz", hash = "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76"},
 ]
diff --git a/pyproject.toml b/pyproject.toml
index 3be2cb4..b5aedb1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,9 +19,21 @@ exclude_lines = [
     "raise NotImplementedError",
 ]
 
+[tool.pytest.ini_options]
+minversion = 6.0
+testpaths = "tests"
+addopts = "-vv -s --cov --cov-report term --cov-report html"
+log_level = "INFO"
+log_format = "%(asctime)s.%(msecs)03d %(levelname)s: (%(filename)s:%(lineno)s): %(message)s"
+log_date_format = "%Y-%m-%d %H:%M:%S"
+log_cli = true
+log_cli_format = "%(asctime)s.%(msecs)03d %(name)s: %(lineno)s %(levelname)s: %(message)s"
+log_cli_level = "INFO"
+log_cli_date_format = "%H:%M:%S"
+
 [tool.poetry]
 name = "aiopvpc"
-version = "2.0.2"
+version = "2.0.3"
 description = "Retrieval of Spanish Electricity hourly prices (PVPC)"
 authors = ["Eugenio Panadero <eugenio.panadero@gmail.com>"]
 license = "MIT"
@@ -29,32 +41,33 @@ readme = "README.md"
 repository = "https://github.com/azogue/aiopvpc"
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = ">=3.7,<4.0"
 aiohttp = ">=3.6.2"
 async_timeout = ">=3.0.1"
 pytz = ">=2020.1"
 
 [tool.poetry.dev-dependencies]
-pytest-sugar = "0.9.2"
-pytest = "5.3.5"
-pytest-cov = "2.8.1"
-pytest-timeout = "1.3.3"
-pytest-aiohttp = "0.3.0"
-pre-commit = "^2.2.0"
-black = "19.10b0"
-flake8 = "3.7.9"
-flake8-broken-line = "0.1.1"
-flake8-bugbear = "20.1.0"
-flake8-builtins = "1.4.2"
-flake8-comprehensions = "3.1.4"
-flake8-import-order = "0.18.1"
-flake8-mutable = "1.2.0"
-flake8-pie = "0.4.2"
-flake8-quotes = "2.1.1"
-flake8-string-format = "0.2.3"
-flake8-tidy-imports = "3.1.0"
-pep8-naming = "0.9.1"
+pytest-sugar = ">=0.9.2"
+pytest = ">=5.3.5"
+pytest-cov = ">=2.8.1"
+pytest-timeout = ">=1.3.3"
+pytest-asyncio = ">=0.15.1"
+pre-commit = ">=2.2.0"
+black = ">=19.10b0"
+flake8 = ">=3.7.9"
+flake8-broken-line = ">=0.1.1"
+flake8-bugbear = ">=20.1.0"
+flake8-builtins = ">=1.4.2"
+flake8-comprehensions = ">=3.1.4"
+flake8-import-order = ">=0.18.1"
+flake8-mutable = ">=1.2.0"
+flake8-pie = ">=0.4.2"
+flake8-quotes = ">=2.1.1"
+flake8-string-format = ">=0.2.3"
+flake8-tidy-imports = ">=3.1.0"
+pep8-naming = ">=0.9.1"
+mypy = ">=0.800"
 
 [build-system]
-requires = ["poetry>=1.0.0"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry_core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"


Test patch:
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index c79ffaa..0000000
--- a/pytest.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[pytest]
-testpaths = tests
-addopts = -vv -s --cov --cov-report term --cov-report html
-log_level = INFO
-log_format = %(asctime)s.%(msecs)03d %(levelname)s: (%(filename)s:%(lineno)s): %(message)s
-log_date_format = %Y-%m-%d %H:%M:%S
-log_cli=true
-log_cli_format = %(asctime)s.%(msecs)03d %(name)s: %(lineno)s %(levelname)s: %(message)s
-log_cli_level = INFO
-log_cli_date_format = %H:%M:%S
diff --git a/tests/test_pvpc.py b/tests/test_pvpc.py
index 0b24392..f195c92 100644
--- a/tests/test_pvpc.py
+++ b/tests/test_pvpc.py
@@ -23,6 +23,7 @@
         ("2019-10-26 21:00:00+00:00", 49, 2, 24, True),
     ),
 )
+@pytest.mark.asyncio
 async def test_price_extract(
     day_str, num_prices, num_calls, num_prices_8h, available_8h
 ):
@@ -31,7 +32,9 @@ async def test_price_extract(
     mock_session = MockAsyncSession()
 
     pvpc_data = PVPCData(
-        local_timezone=_TZ_TEST, tariff="discrimination", websession=mock_session,
+        local_timezone=_TZ_TEST,
+        tariff="discrimination",
+        websession=mock_session,
     )
 
     pvpc_data.source_available = True
@@ -59,15 +62,23 @@ async def test_price_extract(
         (False, "2032-10-26 00:00:00+00:00", 0, 200, ClientError),
     ),
 )
+@pytest.mark.asyncio
 async def test_bad_downloads(
-    available, day_str, num_log_msgs, status, exception, caplog,
+    available,
+    day_str,
+    num_log_msgs,
+    status,
+    exception,
+    caplog,
 ):
     """Test data parsing of official API files."""
     day = datetime.fromisoformat(day_str)
     mock_session = MockAsyncSession(status=status, exc=exception)
-    with caplog.at_level(logging.DEBUG):
+    with caplog.at_level(logging.INFO):
         pvpc_data = PVPCData(
-            local_timezone=REFERENCE_TZ, tariff="normal", websession=mock_session,
+            local_timezone=REFERENCE_TZ,
+            tariff="normal",
+            websession=mock_session,
         )
         pvpc_data.source_available = available
         assert not pvpc_data.process_state_and_attributes(day)
@@ -103,6 +114,7 @@ def test_full_data_download_range():
     assert all(data_first_hour[tag] > 1 for tag in ESIOS_TARIFFS)
 
 
+@pytest.mark.asyncio
 async def test_download_range(caplog):
     """Test retrieval of full PVPC data in a day range."""
     start = datetime(2019, 10, 26, 15)