runtime error

ython3.9/site-packages/uvicorn/server.py", line 69, in serve await self._serve(sockets) File "/usr/local/lib/python3.9/site-packages/uvicorn/server.py", line 76, in _serve config.load() File "/usr/local/lib/python3.9/site-packages/uvicorn/config.py", line 434, in load self.loaded_app = import_from_string(self.app) File "/usr/local/lib/python3.9/site-packages/uvicorn/importer.py", line 19, in import_from_string module = importlib.import_module(module_str) File "/usr/local/lib/python3.9/importlib/__init__.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1030, in _gcd_import File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 850, in exec_module File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed File "/code/app.py", line 3, in <module> import matplotlib.colors as mpl_colors File "/usr/local/lib/python3.9/site-packages/matplotlib/__init__.py", line 131, in <module> from . import _api, _version, cbook, _docstring, rcsetup File "/usr/local/lib/python3.9/site-packages/matplotlib/rcsetup.py", line 27, in <module> from matplotlib.colors import Colormap, is_color_like File "/usr/local/lib/python3.9/site-packages/matplotlib/colors.py", line 56, in <module> from matplotlib import _api, _cm, cbook, scale File "/usr/local/lib/python3.9/site-packages/matplotlib/scale.py", line 22, in <module> from matplotlib.ticker import ( File "/usr/local/lib/python3.9/site-packages/matplotlib/ticker.py", line 138, in <module> from matplotlib import transforms as mtransforms File "/usr/local/lib/python3.9/site-packages/matplotlib/transforms.py", line 49, in <module> from matplotlib._path import ( ImportError: numpy.core.multiarray failed to import

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