fixes

main.py

@@ -6,7 +6,9 @@ session = get_session()
 
 if __name__ == "__main__":
     group_instances = getGroupInstances()
-    if group_instances is not []:
+    if not group_instances:
+        print("No group instances were found! Nothing to do...")
+    else:
         for instance in group_instances:
             try:
                 db_instance = DBGroupInstance(timestamp=datetime.now(),
@@ -17,6 +19,4 @@ if __name__ == "__main__":
                 session.commit()
                 print("Instance log added")
             except Exception as e:
-                print(f"Exception {e}")
-    else:
-        print("No group instances! Nothing to do")      
+                print(f"Exception {e}")