cannot import name 'BytesInUse'

As an AI language model, I do not have access to your specific code or context. However, I can provide some general information on this error message.

This error message typically occurs when a module or package is trying to import a name or attribute that does not exist or is not defined in the current scope. In this case, it seems that the module or package is trying to import the name "BytesInUse", but it is not available.

To resolve this issue, you may need to check the module or package that is raising the error and ensure that the necessary dependencies or attributes are installed and defined correctly. You may also need to check for any typos or syntax errors in your code that could be causing the issue.

If you are still having trouble, you may need to provide more information or context about your code and the specific error message you are receiving in order to receive more targeted assistance.