Resolving the ModuleNotFoundError: No Module Named 'src' in Python

Learn how to fix the Python error "No module named 'src'" by understanding module imports and folder structures effectively.
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Understanding and Resolving the ModuleNotFoundError: No Module Named 'src' in Python

When working with Python, you may encounter various errors while organizing your code into modules and packages. One common issue is the ModuleNotFoundError: No module named 'src'. This error typically arises due to incorrect import statements or folder structure. In this guide, we'll delve into the root cause of this error and provide a clear solution to help you fix it.

The Problem Explained

Let's consider a typical folder structure that might lead to the ModuleNotFoundError:

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Why Does This Error Occur?

Incomplete Imports: If src/__init__.py does not include an import for example or any necessary components, the structure can confuse Python about the availability of modules.

The Solution

To solve the ModuleNotFoundError, you need to address how you are importing your modules. Here’s a structured approach to resolve the issue:

Step 1: Update the Import Statement

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Step 2: Verify Folder Structure

Double-check your folder structure to ensure it looks like this:

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Step 3: Run the Test File Correctly

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This will correctly reference the src directory as a package, resolving the ModuleNotFoundError.

Conclusion

To summarize, the ModuleNotFoundError: No module named 'src' can be resolved by ensuring you're using accurate import statements and running your scripts from the appropriate directory. By modifying your import to directly target specific modules and running the script correctly, you can avoid this common Python pitfall. Happy coding!