REPL Communication, too slow and Pycharm cant't run anything
When I start PyCharm, its ok but when import packages and modules, or start typing something, it pop up with a dialog box says REPL communication. 
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Similar issue: https://youtrack.jetbrains.com/issue/PY-40019
Should be fixed in 2020.2
What version do you have? Could you provide Logs from **Help | Collect Logs and Diagnostic Data** ?
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