About python:AttributeError: module 'xxx' has no attribute 'xxx' error solution

When running a python program, there may be such an error: AttributeError: module 'xxx' has no attribute 'xxx', such as:

In my study, there are two ways to solve this error

1. Install the module manually
   
2. Checking the file name
   This method may seem silly, but it is a common mistake made by newbies, because the name of the file is the same as the name of the module to be used:
   
   just change the file name.