AttributeError: module ‘enum‘ has no attribute ‘IntFlag‘

使用pyinstaller 封装时报错

pyinstall -F myscript.py

错误：

AttributeError: module 'enum' has no attribute 'IntFlag'
pre-safe-import-module hook failed, needs fixing.

参考

• https://stackoverflow.com/questions/69151708/pyinstaller-python-pre-safe-import-module-hook-failed-needs-fixing

• pyinstaller-attributeerror-module-enum-has-no-attribute-intflag

使用$ pip3 uninstall -y enum34 卸载enum34

$ pip3 uninstall -y enum34
WARNING: Ignoring invalid distribution -irtualenv (/Users/Rachel1900/anaconda3/lib/python3.7/site-packages)
WARNING: Ignoring invalid distribution - (/Users/Rachel1900/anaconda3/lib/python3.7/site-packages)
WARNING: Ignoring invalid distribution -irtualenv (/Users/Rachel1900/anaconda3/lib/python3.7/site-packages)
WARNING: Ignoring invalid distribution - (/Users/Rachel1900/anaconda3/lib/python3.7/site-packages)
Found existing installation: enum34 1.1.10
Uninstalling enum34-1.1.10:
  Successfully uninstalled enum34-1.1.10

重新运行打包

出现超出循环报错

RecursionError: maximum recursion depth exceeded

原因参考：
recursion-error-python