code: def simplify_line(line, keep_comma=False):  # type: (str, bool)->str
      
      if not line:
          return ""
      if "#" in line:
          parts = line.split("#")
          simplified_line = parts[0]
      else:
          simplified_line = line
  
      simplified_line = (
          simplified_line.replace(" ", "")
          .replace("'", '"')
          .replace("\t", "")
          .replace("\n", "")
          .replace("'''", '"')  # version strings shouldn't be split across lines normally
          .replace('"""', '"')
      )
      if not keep_comma:
          simplified_line = simplified_line.strip(" ,")
      return simplified_line
docs: Change ' to "
      Remove tabs and spaces (assume no significant whitespace inside a version string!)