add a missing exception definition

Ruminateer · Ruminateer · commit ef88d189cb48 · 2021-01-27T21:01:54.000+08:00
Signed-off-by: zhangzhengyuan &lt;zhangzhengyuan0604@gmail.com&gt;
diff --git a/python/edl/utils/exceptions.py b/python/edl/utils/exceptions.py
@@ -89,6 +89,10 @@ class EdlNotLeaderError(EdlException):
     pass
 
 
+class EdlNotFoundLeader(EdlException):
+    pass
+
+
 def deserialize(pb_status):
     thismodule = sys.modules[__name__]
     try:
