code: def pretty_print(self, show_datetime=True):
          
          if show_datetime:
              return u"[%s] %s %s%s: %s" % (
                  self.severity,
                  gf.object_to_unicode(self.time),
                  u" " * self.indentation,
                  self.tag,
                  self.message
              )
          return u"[%s] %s%s: %s" % (
              self.severity,
              u" " * self.indentation,
              self.tag,
              self.message
          )
docs: Returns a Unicode string containing
          the pretty printing of a given log entry.
  
          :param bool show_datetime: if ``True``, print the date and time of the entry
          :rtype: string