pip3安裝PyMySQL成功，pycharm裏import pymysql仍出錯No module named 'pymysql'

pip3 install PyMySQL 成功 在pycharm裏檢查Preferences for New Projects—>Project Interpreter，也已經安裝PyMySQL 但import pymysql結果仍有錯誤No module named ‘pymysql’ 【原因：】 pycharm創建項目時，我沒有勾選Make avaliable to all projects

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