# Buggy code
def __init__(
    self,
    stage,
    path,
    info=None,
    tree=None,
    cache=True,
    metric=False,
    plot=False,
    persist=False,
):
    self._validate_output_path(path, stage)
    # This output (and dependency) objects have too many paths/urls
    # here is a list and comments:
    #
    #   .def_path - path from definition in stage file
    #   .path_info - PathInfo/URLInfo structured resolved path
    #   .fspath - local only, resolved
    #   .__str__ - for presentation purposes, def_path/relpath
    #
    # By resolved path, which contains actual location,
    # should be absolute and don't contain remote:// refs.
    self.stage = stage
    self.repo = stage.repo if stage else None
    self.def_path = path
    self.info = info
    if tree:
        self.tree = tree
    else:
        self.tree = self.TREE_CLS(self.repo, {})
    self.use_cache = False if self.IS_DEPENDENCY else cache
    self.metric = False if self.IS_DEPENDENCY else metric
    self.plot = False if self.IS_DEPENDENCY else plot
    self.persist = persist

    self.path_info = self._parse_path(tree, path)
    if self.use_cache and self.cache is None:
        raise RemoteCacheRequiredError(self.path_info)


# Traceback (dvc.exceptions.RemoteCacheRequiredError)
2020-07-01 17:14:02,947 DEBUG: fetched: [(3,)]
2020-07-01 17:14:03,123 DEBUG: Removing output 'some_target' of stage: 'some_target.dvc'.
Importing 's3://some_bucket/some_target' -> 'some_target'
2020-07-01 17:14:03,123 DEBUG: Computed stage: 'some_target.dvc' md5: '2f8b87d3b22efd1638f414c3b3f65614'
2020-07-01 17:14:03,123 DEBUG: 'md5' of stage: 'some_target.dvc' changed.
2020-07-01 17:14:04,088 DEBUG: fetched: [(0,)]
2020-07-01 17:14:04,146 ERROR: failed to import s3://some_bucket/some_target. You could also try downloading it manually, and adding it with `dvc add`. - Current operation was unsuccessful because 's3://some_bucket/some_target' requires existing cache on 's3' remote. See <https://man.dvc.org/config#cache> for information on how to set up remote cache.
------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib/python3.8/site-packages/dvc/command/imp_url.py", line 14, in run
self.repo.imp_url(
File "/usr/lib/python3.8/site-packages/dvc/repo/__init__.py", line 36, in wrapper
ret = f(repo, *args, **kwargs)
File "/usr/lib/python3.8/site-packages/dvc/repo/scm_context.py", line 4, in run
result = method(repo, *args, **kw)
File "/usr/lib/python3.8/site-packages/dvc/repo/imp_url.py", line 54, in imp_url
stage.run()
File "/home/anotherbugmaster/.local/lib/python3.8/site-packages/funcy/decorators.py", line 39, in wrapper
return deco(call, *dargs, **dkwargs)
File "/usr/lib/python3.8/site-packages/dvc/stage/decorators.py", line 35, in rwlocked
return call()
File "/home/anotherbugmaster/.local/lib/python3.8/site-packages/funcy/decorators.py", line 60, in __call__
return self._func(*self._args, **self._kwargs)
File "/usr/lib/python3.8/site-packages/dvc/stage/__init__.py", line 424, in run
sync_import(self, dry, force)
File "/usr/lib/python3.8/site-packages/dvc/stage/imports.py", line 29, in sync_import
stage.save_deps()
File "/usr/lib/python3.8/site-packages/dvc/stage/__init__.py", line 387, in save_deps
dep.save()
File "/usr/lib/python3.8/site-packages/dvc/output/base.py", line 268, in save
self.info = self.save_info()
File "/usr/lib/python3.8/site-packages/dvc/output/base.py", line 192, in save_info
return self.remote.save_info(self.path_info)
File "/usr/lib/python3.8/site-packages/dvc/remote/base.py", line 762, in save_info
return self.tree.save_info(path_info, **kwargs)
File "/usr/lib/python3.8/site-packages/dvc/remote/base.py", line 329, in save_info
self.PARAM_CHECKSUM: self.get_hash(path_info, tree=tree, **kwargs)
File "/usr/lib/python3.8/site-packages/dvc/remote/base.py", line 297, in get_hash
hash_ = self.get_dir_hash(path_info, tree, **kwargs)
File "/usr/lib/python3.8/site-packages/dvc/remote/base.py", line 311, in get_dir_hash
raise RemoteCacheRequiredError(path_info)
dvc.exceptions.RemoteCacheRequiredError: Current operation was unsuccessful because 's3://some_bucket/some_target' requires existing cache on 's3' remote. See <https://man.dvc.org/config#cache> for information on how to set up remote cache.
------------------------------------------------------------

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# Fixed code
def __init__(
    self,
    stage,
    path,
    info=None,
    tree=None,
    cache=True,
    metric=False,
    plot=False,
    persist=False,
):
    self._validate_output_path(path, stage)
    # This output (and dependency) objects have too many paths/urls
    # here is a list and comments:
    #
    #   .def_path - path from definition in stage file
    #   .path_info - PathInfo/URLInfo structured resolved path
    #   .fspath - local only, resolved
    #   .__str__ - for presentation purposes, def_path/relpath
    #
    # By resolved path, which contains actual location,
    # should be absolute and don't contain remote:// refs.
    self.stage = stage
    self.repo = stage.repo if stage else None
    self.def_path = path
    self.hash_info = HashInfo.from_dict(info)
    if tree:
        self.tree = tree
    else:
        self.tree = self.TREE_CLS(self.repo, {})
    self.use_cache = False if self.IS_DEPENDENCY else cache
    self.metric = False if self.IS_DEPENDENCY else metric
    self.plot = False if self.IS_DEPENDENCY else plot
    self.persist = persist

    self.path_info = self._parse_path(tree, path)
    if self.use_cache and self.cache is None:
        raise RemoteCacheRequiredError(self.path_info)