make version of ts_mon compatible with appengine

infra_libs/ts_mon/monitors.py

Index: infra_libs/ts_mon/monitors.py
diff --git a/infra_libs/ts_mon/monitors.py b/infra_libs/ts_mon/monitors.py
index 4fd55664cb964bce13aa9f37f9611d11a06fc7d9..cebe65ca3ac123a70d289d56c813d0ab4578cf38 100644
--- a/infra_libs/ts_mon/monitors.py
+++ b/infra_libs/ts_mon/monitors.py
@@ -43,10 +43,10 @@ from monacq.proto import metrics_pb2
 from infra_libs import logs
 import infra_libs
 
-import httplib2
 from apiclient import discovery
 from oauth2client.client import GoogleCredentials
 from oauth2client.file import Storage
+import httplib2
 
 
 def _logging_callback(resp, content):  # pragma: no cover
@@ -113,7 +113,7 @@ class ApiMonitor(Monitor):
     """
     try:
       self._api.Send(self._wrap_proto(metric_pb))
-    except acquisition_api.AcquisitionApiRequestException as e:
+    except acquisition_api.AcquisitionApiRequestException as e: # pylint: disable=undefined-variable
       logging.error('Failed to send the metrics: %s', e)