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I don’t know why I wouldn’t have noticed this but when running the beta I am getting the following errors in the console. Note that this is immediately after opening Pythonista and typing 2+2 in the console:

2+2
Traceback (most recent call last):
File "/var/containers/Bundle/Application/A30CF941-D366-4CE5-BCAA-C22CBEC6C501/Pythonista3.app/Frameworks/Py3Kit.framework/pykit_startup.py", line 51, in
main()
File "/var/containers/Bundle/Application/A30CF941-D366-4CE5-BCAA-C22CBEC6C501/Pythonista3.app/Frameworks/Py3Kit.framework/pykit_startup.py", line 47, in main
import importcompletion
File "/var/containers/Bundle/Application/A30CF941-D366-4CE5-BCAA-C22CBEC6C501/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/importcompletion.py", line 26, in
import imp
File "/var/containers/Bundle/Application/A30CF941-D366-4CE5-BCAA-C22CBEC6C501/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/imp.py", line 28, in
import tokenize
File "/var/containers/Bundle/Application/A30CF941-D366-4CE5-BCAA-C22CBEC6C501/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/tokenize.py", line 34, in
import re
File "/var/containers/Bundle/Application/A30CF941-D366-4CE5-BCAA-C22CBEC6C501/Pythonista3.app/Frameworks/Py3Kit.framework/pylib/re.py", line 143, in
class RegexFlag(enum.IntFlag):
AttributeError: module 'enum' has no attribute 'IntFlag'
4

I expect that your "re" module is corrupted. I'm not sure of the best way to either verify that, or to fix it.

I am running the Python 3 beta, and I just opened it, and I typed 2+2 into the small text-area at the bottom of the console view, and hit the "Return" key, and just 4 was displayed.

>>> 2+2
4

I did this on my iPhone 6s, using the software keyboard.

On the Pythonista view that shows the folders, if I click on the small gear on the lower right of the screen to open the "Settings" view, and I scroll to the very bottom, the version that is displayed is:

v. 3.1.1. (311009)

We have seen this problem before... certain packages install an enum module in site packages, i think. check for an enum.py or enum folder in site-packages.

Try print (sys.modules['enum'].__file__) to see which file is the problem.

@jonb That was it. Thanks!