Python3 associated libraries have been installed, Pycharm error ModuleNotFoundError: No module named 'paho'

As shown below

Measures: Select [File] - [Settings], find the current project, choose [Project Interpreter], click the + sign, search paho-mqtt library, select and click [Install Package] installation, the installation is successful the lower right corner will be prompted Packages installed successfully, run the program again no errors.

OK。 

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Origin blog.csdn.net/qq_29720657/article/details/104863887