code: def exc_message(exc_info):
      
      exc = exc_info[1]
      if exc is None:
          # str exception
          result = exc_info[0]
      else:
          try:
              result = str(exc)
          except UnicodeEncodeError:
              try:
                  result = unicode(exc)  # flake8: noqa
              except UnicodeError:
                  # Fallback to args as neither str nor
                  # unicode(Exception(u'\xe6')) work in Python < 2.6
                  result = exc.args[0]
      return result
docs: Return the exception's message.