docs: def uri2module(self, uri):
          """Convert an unencoded source uri to an encoded module name"""
          # uri is the source code of the module
          compressed = zlib.compress(uri)
          encoded = base64.b64encode(compressed, b'+&')
          encoded_str = encoded.decode('ASCII')
          return super(EncodedModuleLoader, self).uri2module(encoded_str)