Update app.py

app.py

@@ -18,7 +18,7 @@ name2repo = [("Training", "bigcode-project/Megatron-LM"),
             ]
 
 name2num_milestones = dict()
-g = Github(os.environ.get('github'))
+g = Github()
 df = list()
 all_status = list()
 bad_milestones = list()