Static analysis fixes (#1154)

Fixed incorrect type checking logic flagged by flake8

dev_utils/dev_utils/service_helper_sync.py

@@ -252,7 +252,7 @@ class ServiceHelperSync(object):
                     if device_id == self.device_id and module_id == self.module_id:
 
                         converted_event = self._convert_incoming_event(event)
-                        if type(converted_event) == EventhubEvent:
+                        if isinstance(converted_event, EventhubEvent):
                             if "message-id" in converted_event.system_properties:
                                 logger.info(
                                     "Received event with msgid={}".format(

samples/pnp/simple_thermostat.py

@@ -40,7 +40,7 @@ async def reboot_handler(values):
     global min_temp
     global avg_temp_list
     global target_temperature
-    if values and type(values) == int:
+    if isinstance(values, int):
         print("Rebooting after delay of {delay} secs".format(delay=values))
         asyncio.sleep(values)
     max_temp = None