AWS Elastic Beanstalk error – ImportError: No module named flask.ext.sqlalchemy

Question:

I deployed my flask application into aws beanstalk and ran into an import error:

In my application.py file, I have this statement

and it runs fine on my machine but does not work in aws elastic beanstalk.

Anyone ran into a similar issue?

Answer:

Make sure you have included a requirements.txt file in root directory of your project.

The file should include any pip package that needs to be installed

http://www.pip-installer.org/en/latest/cookbook.html#requirements-files

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