adding check if milestone is empty

ci-scripts/ran_dashboard.py

@@ -92,6 +92,7 @@ class gDashboard:
             date_time_obj = datetime.strptime(date_time_str, '%Y-%m-%dT%H:%M:%S.%fZ')
     
             milestone1=milestone2=milestone3=milestone4=""
+            if self.d[x]['milestone']!=None:
                 if self.d[x]['milestone']['title']=="REVIEW_CAN_START":
                     milestone1="X"
                 elif self.d[x]['milestone']['title']=="REVIEW_IN_PROGRESS":
@@ -102,6 +103,8 @@ class gDashboard:
                     milestone4="X" 
                 else:
                     pass
+            else:
+                pass
 
             #check if empty or not
             if self.d[x]['assignee']!=None: