Added class_for_state() stub

diff --git a/psycopg3/exceptions.py b/psycopg3/exceptions.py
index ca2eb18e3cb1c379e898a59b66944e8bc4308757..7baba55b150e1f1e7cd651c20deda4e6cd4c8ff2 100644 (file)
--- a/psycopg3/exceptions.py
+++ b/psycopg3/exceptions.py
@@ -98,3 +98,8 @@ class NotSupportedError(DatabaseError):
     """
     A method or database API was used which is not supported by the database,
     """
+
+
+def class_for_state(sqlstate):
+    # TODO: stub
+    return DatabaseError