code: def get_object(self, file_path):
          
          file_path = make_string_path(file_path)
          file_path = self.absnormpath(self._original_path(file_path))
          return self.get_object_from_normpath(file_path)
docs: Search for the specified filesystem object within the fake
          filesystem.
  
          Args:
              file_path: Specifies the target FakeFile object to retrieve.
  
          Returns:
              The FakeFile object corresponding to `file_path`.
  
          Raises:
              IOError: if the object is not found.