def __str__(self, prefix="", printElemNumber=0):
    res=""
    if self.has_start_timestamp_milliseconds_: res+=prefix+("start_timestamp_milliseconds: %s\n" % self.DebugFormatInt64(self.start_timestamp_milliseconds_))
    if self.has_http_method_: res+=prefix+("http_method: %s\n" % self.DebugFormatString(self.http_method_))
    if self.has_http_path_: res+=prefix+("http_path: %s\n" % self.DebugFormatString(self.http_path_))
    if self.has_http_query_: res+=prefix+("http_query: %s\n" % self.DebugFormatString(self.http_query_))
    if self.has_http_status_: res+=prefix+("http_status: %s\n" % self.DebugFormatInt32(self.http_status_))
    if self.has_duration_milliseconds_: res+=prefix+("duration_milliseconds: %s\n" % self.DebugFormatInt64(self.duration_milliseconds_))
    if self.has_api_mcycles_: res+=prefix+("api_mcycles: %s\n" % self.DebugFormatInt64(self.api_mcycles_))
    if self.has_processor_mcycles_: res+=prefix+("processor_mcycles: %s\n" % self.DebugFormatInt64(self.processor_mcycles_))
    cnt=0
    for e in self.rpc_stats_:
      elm=""
      if printElemNumber: elm="(%d)" % cnt
      res+=prefix+("rpc_stats%s <\n" % elm)
      res+=e.__str__(prefix + "  ", printElemNumber)
      res+=prefix+">\n"
      cnt+=1
    cnt=0
    for e in self.cgi_env_:
      elm=""
      if printElemNumber: elm="(%d)" % cnt
      res+=prefix+("cgi_env%s <\n" % elm)
      res+=e.__str__(prefix + "  ", printElemNumber)
      res+=prefix+">\n"
      cnt+=1
    if self.has_overhead_walltime_milliseconds_: res+=prefix+("overhead_walltime_milliseconds: %s\n" % self.DebugFormatInt64(self.overhead_walltime_milliseconds_))
    if self.has_user_email_: res+=prefix+(self.DebugFormatString(self.user_email_) % "user_email: %s\n")
    if self.has_is_admin_: res+=prefix+("is_admin: %s\n" % self.DebugFormatBool(self.is_admin_))
    cnt=0
    for e in self.individual_stats_:
      elm=""
      if printElemNumber: elm="(%d)" % cnt
      res+=prefix+("individual_stats%s <\n" % elm)
      res+=e.__str__(prefix + "  ", printElemNumber)
      res+=prefix+">\n"
      cnt+=1
    return res
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/appstats/datamodel_pb.py/RequestStatProto.__str__/swapped operands of `%`