ImportError: No module named functools_lru_cache

This error occurs when the Python code is trying to import and use the module "functools_lru_cache", but the module is not installed or cannot be found.

To resolve this error, you can try the following steps:

1. Check if the module is installed: Run the command `pip freeze` in the terminal/command prompt to see if the module is listed. If not, install it using `pip install functools_lru_cache`.

2. Check if the module is spelled correctly: Ensure that the module name is spelled correctly in the import statement.

3. Check the Python version: The module "functools_lru_cache" is available from Python 3.2 onwards. If you're using an older version of Python, upgrade it to a newer version.

4. Check the environment: Ensure that you're running your Python code in the correct environment. If you're using virtual environments, activate the correct environment before running the code.

5. Check the file path: Make sure that the file containing the module is in the correct file path and can be accessed by the Python interpreter.

If none of these solutions work, you may need to provide more information about your specific situation and code for further assistance.