diff --git a/glance/api/v2/image_data.py b/glance/api/v2/image_data.py
index be21bfc54a..4c7a9c702a 100644
--- a/glance/api/v2/image_data.py
+++ b/glance/api/v2/image_data.py
@@ -115,14 +115,14 @@ class ImageDataController(object):
 
                 try:
                     image_repo.save(image, from_state='saving')
-                except exception.NotAuthenticated as e:
+                except exception.NotAuthenticated:
                     if refresher is not None:
                         # request a new token to update an image in database
                         cxt.auth_token = refresher.refresh_token()
                         image_repo = self.gateway.get_repo(req.context)
                         image_repo.save(image, from_state='saving')
                     else:
-                        raise e
+                        raise
 
                 try:
                     # release resources required for re-auth
diff --git a/glance/db/sqlalchemy/metadef_api/namespace.py b/glance/db/sqlalchemy/metadef_api/namespace.py
index 9a03c82399..18a246439e 100644
--- a/glance/db/sqlalchemy/metadef_api/namespace.py
+++ b/glance/db/sqlalchemy/metadef_api/namespace.py
@@ -268,7 +268,7 @@ def delete(context, name, session):
             raise exc.MetadefIntegrityError(
                 record_type='namespace', record_name=name)
         else:
-            raise e
+            raise
 
     return namespace_rec.to_dict()
 
@@ -296,6 +296,6 @@ def delete_cascade(context, name, session):
                 raise exc.MetadefIntegrityError(
                     record_type='namespace', record_name=name)
             else:
-                raise e
+                raise
 
     return namespace_rec.to_dict()
diff --git a/glance/db/sqlalchemy/metadef_api/resource_type.py b/glance/db/sqlalchemy/metadef_api/resource_type.py
index 2ee19b612a..2b970e3cd1 100644
--- a/glance/db/sqlalchemy/metadef_api/resource_type.py
+++ b/glance/db/sqlalchemy/metadef_api/resource_type.py
@@ -102,6 +102,6 @@ def delete(context, name, session):
             raise exc.MetadefIntegrityError(
                 record_type='resource-type', record_name=name)
         else:
-            raise e
+            raise
 
     return db_rec.to_dict()