ModuleNotFoundError: No module named 'lmdb' - Python

When you encounter the error message ModuleNotFoundError: No module named 'lmdb' in Python, it means that the lmdb module that the code is trying to import is not installed in your Python environment.

What is lmdb?

lmdb (Lightning Memory-Mapped Database) is a Python module that provides a fast, memory-efficient, and scalable solution for storing and retrieving data. It is commonly used in data analysis, machine learning, and deep learning applications.

How to Fix the Error?

To fix this error, you need to install the lmdb module in your Python environment. You can do this using the following command in your terminal or command prompt:

pip install lmdb

This command will download and install the latest version of lmdb from the Python Package Index (PyPI).

If you are using a virtual environment, make sure to activate it before running the command.

Conclusion

In this tutorial, we have learned what the ModuleNotFoundError: No module named 'lmdb' error message means and how to fix it by installing the lmdb module in Python.