问尝试导入plotly.express，但即使安装了熊猫，也会出现此错误: ImportError: plotly.express要求安装熊猫

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import plotly.express as px
File "/home/pi/.local/lib/python3.7/site-packages/plotly/express/__init__.py", line 12, in <module>
Plotly express requires pandas to be installed."""
ImportError: Plotly express requires pandas to be installed.

pip show pandas
Name: pandas
Version: 1.3.4
Summary: Powerful data structures for data analysis, time series, and statistics
Home-page: https://pandas.pydata.org
Author: The Pandas Development Team
Author-email: pandas-dev@python.org
License: BSD-3-Clause
Location: /home/pi/.local/lib/python3.7/site-packages
Requires: python-dateutil, numpy, pytz
Required-by: 

import pandas as pd
print(pd.__version__)
import plotly
print(plotly.__version__)

pi@raspberrypi:~/Python $ python panda-test.py 
Traceback (most recent call last):
  File "panda-test.py", line 1, in <module>
    import pandas as pd
  File "/home/pi/.local/lib/python3.7/site-packages/pandas/__init__.py", line 17, in <module>
    "Unable to import required dependencies:\n" + "\n".join(missing_dependencies)
ImportError: Unable to import required dependencies:
numpy: 

IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!

Importing the numpy C-extensions failed. This error can happen for
many reasons, often due to issues with your setup or how NumPy was
installed.

We have compiled some common reasons and troubleshooting tips at:

    https://numpy.org/devdocs/user/troubleshooting-importerror.html

Please note and check the following:

  * The Python version is: Python3.7 from "/usr/bin/python3"
  * The NumPy version is: "1.21.4"

and make sure that they are the versions you expect.
Please carefully study the documentation linked above for further help.

Original error was: libf77blas.so.3: cannot open shared object file: No such file or directory