Quick Answer

Resolve ImportError when Python cannot find a module.

Understanding the Issue

This error occurs when Python cannot locate the module in its search path. Common causes include incorrect installation, virtual environment issues, or PYTHONPATH misconfiguration.

The Problem

This code demonstrates the issue:

Python Error 
import private_module  # Fails
from .local import util  # Fails

The Solution

Here's the corrected code:

Python Fixed 
# Solution 1: Installation check
# Run: pip install missing_module

# Solution 2: Verify Python path
import sys
print(sys.path)

# Solution 3: Relative import fix
# Ensure __init__.py exists in package
# Use absolute imports when possible

Key Takeaways

Check installation and module search path.