Python Code Error: No Module Named 'Aiohttp'

Last Updated : 09 Feb, 2024

Python is most favourite and widely used programming language that supports various libraries and modules for different functionalities In this article, we are going to see how we can fix the Python Code Error: No Module Named 'Aiohttp'. This error is encountered when the specified module is not installed in our Python environment. We will reproduce and resolve the error with the proper solutions demonstrated in the screenshots.

What is Python Code Error: No Module Named 'Aiohttp'?

The error "No Module Named 'Aiohttp'" indicates that the Python interpreter cannot find the 'aiohttp' module, possibly because it is not installed. To resolve this, you can install the 'aiohttp' module using a package manager like pip by running the command: pip3 install aiohttp. Ensure that your Python environment and dependencies are correctly configured.

Example:

Why does Python Code Error: No Module Named 'Aiohttp' occur?

Below, are the reasons for “Modulenotfounderror: No Module Named ‘Aiohttp′” In Python occurring:

Module Not Installed
Incorrect Module Name

Module Not Installed

In this scenario, we are trying to import the aiohttp module in the code snippet where the data is to be fetched from the Endpoint. But, as the module aiottp is not installed on the system, the Python Code Error: No Module Named 'Aiohttp' will occur.

Python3

import aiohttp async def fetch_data():     async with aiohttp.ClientSession() as session:         async with session.get('https://example.com') as response:             return await response.text() result = fetch_data()

Output:

Hangup (SIGHUP)
Traceback (most recent call last):
  File "Solution.py", line 1, in <module>
    import aiohttp
ModuleNotFoundError: No module named 'aiohttp'

Incorrect Module Name

Another reason for the error might be a typo or incorrect naming when trying to import the Aiohttp module. Python is case-sensitive, so ensure that the module name is spelled correctly.

Python3

import AIOHTTP # Incorrect

Output:

Hangup (SIGHUP)
Traceback (most recent call last):
  File "Solution.py", line 1, in <module>
    import AIOHTTP # Incorrect
ModuleNotFoundError: No module named 'AIOHTTP'

Solve “Modulenotfounderror: No Module Named ‘Aiohttp′”

Below, are the approaches to solve “Modulenotfounderror: No Module Named ‘Aiohttp′” .

Install Aiohttp Module
Check Module Name

Install Aiohttp Module

We can resolve this error by installing the Aiohttp package externally using the PIP package manager. Execute the below command in the prompt to install the package.

pip3 install aiohttp

Once we execute the command, it will take a couple of minutes to completely install the package according to the internet speed.

Screenshot-(1303)-min

Check Module Name

Double-check the spelling and case sensitivity of the module name when importing it in your script.

Python3

import aiohttp # Correct

Conclusion

In conclusion, error commonly occurs in situations where you are trying to run a Python script or application that relies on the 'aiohttp' module, but the module is not installed in your Python environment. Ensure that you have the required modules installed using the appropriate package manager (pip in this case) before executing the script.