Last modified: Jan 10, 2025 By Alexander Williams

Fix No Module Named PdfReader Error

Encountering the No Module Named PdfReader error in Python? This guide will help you fix it quickly.

What Causes the No Module Named PdfReader Error?

The error occurs when Python cannot find the PdfReader module. This usually happens if the module is not installed.

It can also occur if the module is installed in a different Python environment.

Step 1: Verify the Module Installation

First, check if the PdfReader module is installed. Run the following command in your terminal:


    pip show PyPDF2
    

If the module is installed, you will see details about it. If not, you need to install it.

Step 2: Install the PdfReader Module

To install the PdfReader module, use the following command:


    pip install PyPDF2
    

This will install the PyPDF2 library, which includes the PdfReader class.

For a detailed guide, check out our Install Python PdfReader: Step-by-Step Guide.

Step 3: Check Your Python Environment

Ensure you are using the correct Python environment. Sometimes, the module is installed in a different environment.

Use the following command to check your Python version:


    python --version
    

If you are using a virtual environment, activate it before installing the module.

Step 4: Import the Module Correctly

After installation, import the PdfReader class correctly in your script:


    from PyPDF2 import PdfReader
    

This ensures Python can locate and use the module without errors.

Step 5: Test the Module

Create a simple script to test the PdfReader module:


    from PyPDF2 import PdfReader

    reader = PdfReader("example.pdf")
    print(len(reader.pages))
    

This script reads a PDF file and prints the number of pages. If it runs without errors, the module is working.

Common Issues and Solutions

If the error persists, ensure your IDE or editor is using the correct Python interpreter.

Also, check for typos in the import statement. Even a small mistake can cause the error.

Conclusion

The No Module Named PdfReader error is easy to fix. Follow the steps above to install and use the module correctly.

For more detailed instructions, refer to our Install Python PdfReader: Step-by-Step Guide.