Error (AttributeError: module 'xxx' has no attribute 'connect') solution

First, the error display

The contents of the red box will be based on importthe package name changes

Second, the cause of the error (test package for pymysql, other packages empathy)

1. One reason (in most cases):

   importThe same package name and file name

   

2. Two reasons (few cases):

   File name conflicts with other packages

   Can be seen in the figure below is not an exception, but the error

   This is what causes it, click the error content
   this time to understand, file name conflict with other packages

Third, the solution

Currently only solution found to change the file name, and if there are other ways to add welcome message

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