Software⏱️ 2 min read📅 2026-06-03

How to Fix: Why is my Python App Engine app using the Translate API getting an error of ImportError: No module named apiclient.discovery?

Google App Engine Python SDK issues with Google Translate API.

Quick Answer: Try updating the Google App Engine SDK to the latest version, as the apiclient.discovery module is deprecated. Use the google-api-python-client library instead.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. ✅ Best Solutions to Fix It
  3. ✨ Wrapping Up

The error message 'ImportError: No module named apiclient.discovery' in Google App Engine's Python application is caused by a misconfiguration of the environment variables. The Translate API requires the 'apiclient' library to be installed and configured correctly.

🛑 Root Causes of the Error

  • Incorrect environment variables set for Google App Engine SDK.

✅ Best Solutions to Fix It

Method 1: Update Environment Variables

  1. Step 1: Set the 'GOOGLE_APPLICATION_CREDENTIALS' environment variable to point to your service account key file.

Method 2: Install Required Libraries

  1. Step 1: Run the command 'pip install google-api-python-client' in your terminal to install the required library.

✨ Wrapping Up

By following these steps, you should be able to resolve the 'ImportError: No module named apiclient.discovery' error in your Google App Engine's Python application and successfully use the Translate API.

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