ModuleNotFoundError is an error you will mostly get when the module is not installed in your system. The error ModulenotFoundError: no module named flask is one of them. In this post, you will learn how you can solve this error using a simple solution.
What is the Flask Module?
Flask is a popular web framework for Python that allows you to build web applications easily and quickly. It is a lightweight and flexible framework that follows the model-view-controller (MVC) architectural pattern.
It provides you with various features for web development, such as routing URLs, handling HTTP requests and responses, rendering templates, managing cookies and sessions, and more. It also supports integration with other tools and libraries to enhance your web application.
Why ModulenotFoundError: no module named flask Error comes?
The ModuleNotFoundError occurs when Python cannot find the module you are trying to import. In this case, it means that the Flask module is not installed in your Python environment. That is why you are getting the error no module named flask.
Below is the error you will get when you import the Flask from the Flask module.
from flask import Flask
Output
ModulenotFoundError: no module named 'flask'How to solve no module named flask Error
To solve this error, you need to ensure that Flask is installed on your system. You can do this by following these steps.
Step 1: Open your terminal or command prompt.
Step 2: Check if you have pip installed by running the following command.
pip --versionIf you see the version number, it means the pip is installed. Otherwise, you need to install pip also
Step 3: Install Flask by running the following command.
#For python 3.xx
pip3 install flask
#For python 2.xx
pip install flaskThis will download and install the Flask module and its dependencies.
Now you will not get the error when you import the Flaks from the flask module.
Conclusion
You will get the ModuleNotFoundError when you use the module in the code that is not installed in your system. Thus to solve the ModulenotFoundError: no module named flask you have to install the flask module in your operating system.
