Pylint fixes

Script/cs/Threads/InfoServiceThread.py

 #!/usr/bin/env tdaq_python
-import logging
 import threading
 import psutil
 from datetime import datetime
@@ -65,9 +64,9 @@ class InfoServiceThread(threading.Thread):
     def send_update(self):
         try:
             self.logger.debug("Getting state from IS")
-
-            cs_state = ispy.ISInfoDynAny()
-            self.is_info_dictionary.getValue("{}.CastorScriptState".format(self.conf.partition), cs_state)
+            data_identifier = "{}.CastorScriptState".format(self.conf.partition)
+            cs_state = ispy.ISInfoDynAny() #pylint: disable=no-member
+            self.is_info_dictionary.getValue(data_identifier, cs_state)
             
             cs_state.tdaq_app_name = self.tdaq_app_name
             cs_state.uptime_seconds = self.uptime_seconds
@@ -75,6 +74,6 @@ class InfoServiceThread(threading.Thread):
             keep_history = True
             self.is_info_dictionary.checkin(data_identifier, self.cs_state, keep_history)
 
-            self.logger.debug("Update sent: {}".format(cs_state))
+            self.logger.debug("Update sent: %s", str(cs_state))
         except Exception as ex:
-            self.logger.warning("Error occured while trying to change cs_state to tdaq_app_name={} uptime_seconds={}. Error was: {}".format(self.tdaq_app_name, self.uptime_seconds, ex))
+            self.logger.warning("Error occured while trying to change cs_state to tdaq_app_name=%s uptime_seconds=%d. Error was: %s",self.tdaq_app_name, self.uptime_seconds, str(ex))