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-rw-r--r--lib/sqlalchemy/exceptions.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/exceptions.py b/lib/sqlalchemy/exceptions.py
index 930aa8ea3..1caee0649 100644
--- a/lib/sqlalchemy/exceptions.py
+++ b/lib/sqlalchemy/exceptions.py
@@ -60,3 +60,8 @@ class DBAPIError(SQLAlchemyError):
def __init__(self, message, orig):
SQLAlchemyError.__init__(self, "(%s) (%s) %s"% (message, orig.__class__.__name__, str(orig)))
self.orig = orig
+
+class MissingTypeError(SQLAlchemyError):
+ """no database type is available for the sa type"""
+ pass
+