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IDLE 3.6.2 suddenly started crashing repeatedly today on my Mac (OSX 10.12.6), so I installed 3.7.0. I can't scroll up in 3.7; when I do a two-finger scroll on the trackpad either up or down, the IDLE window scrolls down. This suggests that it was an issue that they fixed. So how come it's still a problem for me?
Update: I installed 3.6.6 over 3.6.2 and now I can't scroll up in 3.6 either. Please help!!
The fix for this and other problems is in the release candidate at https://www.python.org/downloads/release/python-371rc1/. The final 3.7.1 will be out in a week or so, but the above works now for me. For 3.6, go to https://www.python.org/downloads/release/python-367rc1/.