1、ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+

解决方案

pip install urllib3==1.26.15  -i https://pypi.tuna.tsinghua.edu.cn/simple
升级或者降级

(TF2.1) C:\Users\Administrator>pip install urllib3==1.26.15  -i https://pypi.tuna.tsinghua.edu.cn/simple
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting urllib3==1.26.15Downloading https://pypi.tuna.tsinghua.edu.cn/packages/7b/f5/890a0baca17a61c1f92f72b81d3c31523c99bec609e60c292ea55b387ae8/urllib3-1.26.15-py2.py3-none-any.whl (140 kB)---------------------------------------- 140.9/140.9 kB 2.1 MB/s eta 0:00:00
Installing collected packages: urllib3Attempting uninstall: urllib3Found existing installation: urllib3 2.0.7Uninstalling urllib3-2.0.7:Successfully uninstalled urllib3-2.0.7
Successfully installed urllib3-1.26.15

2、If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0.

升级或者降级

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --trusted-host pypi.tuna.tsinghua.edu.cn protobuf=3.20.1

Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting protobuf==3.20.1Downloading https://pypi.tuna.tsinghua.edu.cn/packages/36/16/cfba8fcd817df923827233115df35dc048af12d0afa13df79b303865855a/protobuf-3.20.1-cp37-cp37m-win_amd64.whl (905 kB)---------------------------------------- 905.1/905.1 kB 3.2 MB/s eta 0:00:00
Installing collected packages: protobufAttempting uninstall: protobufFound existing installation: protobuf 4.24.4Uninstalling protobuf-4.24.4:Successfully uninstalled protobuf-4.24.4
Successfully installed protobuf-3.20.1

3、cannot detect archive format
ERROR: Cannot determine archive format of C:\Users\XXX

pip install xxx -i https://pypi.tuna.tsinghua.edu.cn/simple

改成

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --trusted-host pypi.tuna.tsinghua.edu.cn xxx

4、permission deny

权限错误：[errno 13]权限被拒绝

错误原因：

文件无法打开，可能产生的原因是文件找不到，或者被占用，或者无权限访问，或者打开的不是文件，而是一个目录。

把打开的文件关闭。。。。

5、Cannot convert a symbolic Tensor (lstm/strided_slice:0) to a numpy array.

原因是 tensorflow 和 numpy 版本不兼容的问题

activate TF2.1
pip list
pip uninstall numpy
python -m pip install numpy==1.18.5