code: def get_encoding_from_headers(headers):
      
  
      content_type = headers.get('content-type')
  
      if not content_type:
          return None
  
      content_type, params = _parse_content_type_header(content_type)
  
      if 'charset' in params:
          return params['charset'].strip("'\"")
  
      if 'text' in content_type:
          return 'ISO-8859-1'
docs: Returns encodings from given HTTP Header Dict.
  
      :param headers: dictionary to extract encoding from.
      :rtype: str