Author terry.reedy
Recipients Enewman, serhiy.storchaka, terry.reedy
Date 2018-11-29.21:49:25
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Marked as misclassified Yes
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Evan, IDLE runs your code with the Python running IDLE.  Bad tracebacks are created by Python and are usually, as in this case, the fault of Python.  To decide, run your code directly with Python, at a command line, instead of indirectly with IDLE, and see if you get the same problem.  

In this case, I ran, on Windows, in Command Prompt, 'py -m a.tem3', where 'py' defaults to python 3.7.1 and 'a' is a directory on sys.path.
Date User Action Args
2018-11-29 21:49:26terry.reedysetrecipients: + terry.reedy, serhiy.storchaka, Enewman
2018-11-29 21:49:26terry.reedysetmessageid: <>
2018-11-29 21:49:26terry.reedylinkissue35355 messages
2018-11-29 21:49:25terry.reedycreate