'SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and ' Traceback (most recent call last): File "<stdin>", line 1, in <module> code example

Example: FSADeprecationWarning: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True or False to suppress this warning.

# just put this line it will solve the issue 
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
# keep helping others :) :)