Update app.py

app.py

@@ -22,7 +22,8 @@ for name, repo_name in name2repo:
         desc = dict()
         for line in milestone.description.split('\n'):
             tmp = line.split(":")
-            desc[tmp[0].lower()] = tmp[1].lower().strip()
+            if len(tmp) > 1:
+                desc[tmp[0].lower()] = tmp[1].lower().strip()
         task_name = f"""<a href="https://www.github.com/{repo_name}/milestone/{milestone.number}", target="_black">{milestone.title}</a>"""
         if desc['status'] not in all_status:
             all_status.append(desc['status'])