code: def put_file(self, file_path, content, content_type=None, compress=None, cache_control=None):
      
      return self.put_files([ (file_path, content) ], 
        content_type=content_type, 
        compress=compress, 
        cache_control=cache_control, 
        block=False
      )
docs: Args:
        filename (string): it can contains folders
        content (string): binary data to save