Fixing "No module named google.appengine.dist27.threading" for App Engine
Posted on 2016/02/11
So lately I've been having problems getting App Engine to start locally and actually run my apps.
The problem was I was getting the following error:
No module named google.appengine.dist27.threading
Which can't be good, right ...
So had to look around a bit and found a few tricks that can find what's wrong to get you back on App Engine.
First start Python in verbose mode with:
This will show you all the locations of imports happening.
So when you run:
you'll see a big list of files being loaded where you'll be looking for
If you can't find this, it means some other package is overriding that namespace.
In my case I saw:
... ... <lots of output, I'm not adding to save space ...> ... import google # loaded from Zip /Library/Python/2.7/site-packages/protobuf-3.0.0_alpha_1-py2.7.egg/google/__init__.pyc
Which means that my Python instance is trying to load the
Easy actually, use
virtualenv. I should have been probably been using it anyway :\
Run the following in your apps folder with the app.yaml file:
You'll notice an environment was created and you'll terminal will now show the name of the folder this is in. If you try to run the dev server again all should be good!
To exit the context of your environment run:
Enjoy, this took me a while to figure out so hopefully this helps a few people.
If I missed something let me know in the comments below.
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