PyCharm No Python Interpreter Configured for the Project

How to fix it

Try these in order — the most common fix is first.

1. 1. Add a local interpreter

   Copy steps
   1. Ctrl+Alt+S, then Project Structure
   2. Click Add Interpreter... next to the interpreter list, then Add Local Interpreter...
   3. Choose Virtualenv, Python, or Conda; pick a base interpreter and an empty Location
   4. Click OK
   Did this fix it? Yes No

2. 2. Let PyCharm create it from requirements

   Copy steps
   1. File | Open the folder that contains requirements.txt or setup.py
   2. Click 'Create a virtual environment using requirements.txt' and confirm
   Did this fix it? Yes No

Symptoms

A yellow banner on every Python file says no interpreter is configured; run and debug are unavailable.

Why it happens

• You ignored the suggestion to create a virtual environment from requirements.txt or environment.yml
• The project was opened from a folder with no environment

This guide also covers

• pycharm no interpreter configured
• pycharm add python interpreter
• pycharm create virtualenv

Other PyCharm errors

• PyCharm Invalid Python Interpreter / Invalid Environment
• PyCharm Unresolved Reference: Installed Package Not Recognized
• PyCharm Cannot Install or Find a Package
• PyCharm Conda Executable Not Found / Conda Environment Not Detected
• PyCharm Indexing Takes Forever / Stuck on Analyzing Project
• PyCharm Low Memory Warning: How to Increase the Heap Size
• PyCharm Invalidate Caches / Restart: When and How
• PyCharm Debugger Not Working / Breakpoints Not Hit