code: def get_content_version(cls, abspath: str) -> str:
          
          data = cls.get_content(abspath)
          hasher = hashlib.md5()
          if isinstance(data, bytes):
              hasher.update(data)
          else:
              for chunk in data:
                  hasher.update(chunk)
          return hasher.hexdigest()
docs: Returns a version string for the resource at the given path.
  
          This class method may be overridden by subclasses.  The
          default implementation is a hash of the file's contents.
  
          .. versionadded:: 3.1