From my research you can't use Google App Engine Standard Environment for TA-Lib python wrapper because it uses C-Extensions? You have to use Flexible Environment.
To use TA-Lib python wrapper, you would add it to the dependency file requirements.txt
in your app engine flexible project. The documentation however says "To use TA-Lib for python, you need to have the main TA-Lib already installed"
How would you add this main TA-Lib to your app engine flexible project so you can use the TA-Lib python wrapper?