[google-appengine] Re: GAE - Python3 - Flask - Talisman suddenly throws error module six not found

Hello Karl, Thank you for your message. The App Engine Engineering team will take a note of it. If you consider the issue that you have encountered is technical in nature, I would recommend you to create an App Engine Public Issue under the “Compute” section by going here

[google-appengine] Re: GAE - Python3 - Flask - Talisman suddenly throws error module six not found

Thanks Mary for following up. I am aware of the differences from 2.7 to 3.7. It's not that I migrated the application to 3.7. Previously the application (written in 3.7) didn't require explicit declaration of module "six" in requirements.txt and suddenly it is required. I have no explanation fo

[google-appengine] Re: GAE - Python3 - Flask - Talisman suddenly throws error module six not found

Hello Karl, In the GAE Python 2.7 runtime, six was part of the 3rd party libraries which was bundled as part of the runtime[1]. With Python 3.7, some of these libraries were not included in the runtime in order to provide a more idiomatic python environment and need to be migrated[2] by specify

[google-appengine] Re: GAE - Python3 - Flask - Talisman suddenly throws error module six not found

Adding six==1.9.0 resolves the issue. The content of the modified requirements.txt: Flask==1.0.2 six==1.9.0 flask-talisman==0.7.0 Maybe my post will help someone else stumbling over the same issue. Curious, why this can happen while using the same versions of the different modules. Some module