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Here are a few steps you can follow to troubleshoot and resolve this issue:
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Verify Flask Installation: Ensure that Flask is installed in your virtual environment:
. .venv/bin/activate # Activate your virtual environment pip show flask # Show information about the flask package
If Flask is not installed, you can install it using:
pip install flask
-
Check Flask Module Location: Double-check the location of the
flask
module. The error message shows that it is located under:/home/tom/github/multigit-com/python1/.venv/lib/python3.12/site-packages/flask/__init__.py
Ensure there are no conflicting installations of
flask
within different projects or virtual environments. -
Correct Import Statement: Ensure that your
codialog/app.py
file has the correct import statement:from flask import Flask, jsonify, render_template
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Environment Activation: Make sure you have activated the correct virtual environment where Flask is installed:
. /home/tom/github/multigit-com/python1/.venv/bin/activate
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Python Version: Ensure you are using a compatible version of Python with Flask. Flask should work with Python 3.6 and above.
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Clean Up Virtual Environment: Sometimes residual files or misconfigurations in the environment can cause issues. You might want to recreate your virtual environment:
deactivate # Deactivate current environment rm -rf .venv # Remove the existing virtual environment python3 -m venv .venv # Create a new virtual environment . .venv/bin/activate # Activate the new environment pip install flask # Install Flask in the new environment
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Check
__init__.py
File: Verify that the__init__.py
file in theflask
module directory is not corrupted or empty. -
Look for Typos or Naming Conflicts: Ensure that there are no local files or directories named
flask.py
orflask
within your project that might shadow the installed package.