code: def save(filepath, *args, encoding=None, **kwargs):
      
      code = get_tikz_code(*args, filepath=filepath, **kwargs)
      file_handle = codecs.open(filepath, "w", encoding)
      try:
          file_handle.write(code)
      except UnicodeEncodeError:
          # We're probably using Python 2, so treat unicode explicitly
          file_handle.write(six.text_type(code).encode("utf-8"))
      file_handle.close()
      return
docs: Same as `get_tikz_code()`, but actually saves the code to a file.
  
      :param filepath: The file to which the TikZ output will be written.
      :type filepath: str
  
      :param encoding: Sets the text encoding of the output file, e.g. 'utf-8'.
                       For supported values: see ``codecs`` module.
      :returns: None