cannot import name 'deprecated' from 'typing_extensions'

The error message you mentioned usually occurs when trying to import the 'deprecated' module from 'typing_extensions' but it cannot be found. This error could occur due to different reasons, and here are a few possible solutions:

1. Check the package version: Make sure you have the latest version of 'typing_extensions' installed. You can upgrade it using the following command:

   pip install --upgrade typing-extensions

2. Verify the module name: Double-check if you're importing the correct module. The 'deprecated' module should be imported as follows:

   from typing_extensions import deprecated

3. Check Python version compatibility: Ensure that you're using a Python version that is compatible with the 'typing_extensions' package. It requires Python 3.5 or higher.

4. Confirm installation: If you recently installed 'typing_extensions', try uninstalling and reinstalling it to make sure it is installed correctly:

   pip uninstall typing-extensions
   pip install typing-extensions

If none of the above solutions work, please provide more details about your code or environment so that I can assist you further.