SessionExpired is a kind of SessionError.

srbaker · srbaker · commit 396caab1e905 · 2017-01-04T12:02:43.000+01:00
diff --git a/neo4j/v1/api.py b/neo4j/v1/api.py
@@ -433,7 +433,7 @@ class TransactionError(Exception):
     """
 
 
-class SessionExpired(Exception):
+class SessionExpired(SessionError):
     """ Raised when no a session is no longer able to fulfil
     its purpose.
     """
