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If I try to import pyrebase4 (import pyrebase) I get the error message ModuleNotFoundError: No module named 'requests.packages.urllib3.contrib.appengine'. Downgrading the requests package to 2.15 solves the error but causes AttributeError: module 'collections' has no attribute 'MutableMapping'.

This error could not be resolved by replacing collections.MutableMapping with collections.abc.MutableMapping.

N1234
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  • Hey @N1234, Welcome to the community! When putting error messages, etc., the triple backticks ``` can also be useful to set them apart from the rest of your question. This will make the initial look of your question more appealing and easier to work with, which will usually get you more answers. Good luck! – Robert Bradley May 25 '23 at 16:45
  • What version of Python are you running? – snakecharmerb Jun 02 '23 at 20:26

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A few days ago, I had the same problem. What I did was to install Python version 3.8.x. and install Microsoft C++ Build Tools

Dante T
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