code: def _cleanup_ca_temp_file(self):
          
          if os.name == 'nt':
              if isinstance(self.ca_verify_filename, (binary_type, text_type)):
                  # windows requires file to be closed for access. Have to manually remove
                  os.unlink(self.ca_verify_filename)
          else:
              # other OS's allow close and delete of file.
              self._ca_verify_file_handle.close()
docs: Function to clean up ca temp file for requests.
  
          **Returns:** Removes TEMP ca file, no return