ModuleNotFoundError: No module named ‘imblearn’

Understanding the ‘ModuleNotFoundError: No module named ‘imblearn”

The error “ModuleNotFoundError: No module named ‘imblearn'” arises when your Python project attempts to import the imblearn library but cannot find it. This usually indicates that the library hasn’t been installed in your Python environment.

Resolving the Error

1. Installing ‘imblearn’

The most common cause of this error is the lack of installation. To fix it, use the pip package installer:

pip install imblearn

This command will download and install the imblearn library along with its dependencies.

2. Checking Python Environment

If you’re using virtual environments, make sure you’re working within the correct one where imblearn has been installed. To activate your virtual environment, use the appropriate command for your system.

3. Kernel Restart (Jupyter Notebook/Lab)

If you’re using Jupyter Notebook or Jupyter Lab, restarting the kernel might be necessary for the installed package to be recognized.

4. Verifying Installation

After installing, test if the library is available by running the following Python code:

import imblearn

If no error occurs, imblearn is installed correctly.

Example

Here’s an example illustrating the error and its resolution:

Traceback (most recent call last):
  File "your_script.py", line 1, in 
    import imblearn
ModuleNotFoundError: No module named 'imblearn'

pip install imblearn

Conclusion

The “ModuleNotFoundError: No module named ‘imblearn'” error signifies the absence of the imblearn library in your Python environment. The steps outlined above provide a comprehensive guide to resolving this issue. Ensure that you install the library using pip, check your Python environment, and restart the kernel if necessary.