Fix ArgumentError access in Session._add_bindpr/293

There is no ArgumentError in sqlalchemy.orm.exc, but there is one in sqlalchemy.exc .

How to reproduce this issue (for example):

session = Session(binds={None: None})

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/sqlalchemy/orm/session.py b/lib/sqlalchemy/orm/session.py
index a7440bf40..400d4740f 100644
--- a/lib/sqlalchemy/orm/session.py
+++ b/lib/sqlalchemy/orm/session.py
@@ -1122,7 +1122,7 @@ class Session(_SessionClassMethods):
             insp = inspect(key)
         except sa_exc.NoInspectionAvailable:
             if not isinstance(key, type):
-                raise exc.ArgumentError(
+                raise as_exc.ArgumentError(
                             "Not acceptable bind target: %s" %
                             key)
             else:
@@ -1135,7 +1135,7 @@ class Session(_SessionClassMethods):
                 for selectable in insp._all_tables:
                     self.__binds[selectable] = bind
             else:
-                raise exc.ArgumentError(
+                raise sa_exc.ArgumentError(
                             "Not acceptable bind target: %s" %
                             key)