Just following suit, as found in backends.postgresql_psycopg2.base

django_postgrespool/base.py

@@ -98,11 +98,13 @@ class DatabaseWrapper(Psycopg2DatabaseWrapper):
 
     def _commit(self):
         if self.connection is not None and self.connection.is_valid:
-            return self.connection.commit()
+            with self.wrap_database_errors:
+                return self.connection.commit()
 
     def _rollback(self):
         if self.connection is not None and self.connection.is_valid:
-            return self.connection.rollback()
+            with self.wrap_database_errors:
+                return self.connection.rollback()
 
     def _dispose(self):
         """Dispose of the pool for this instance, closing all connections."""

setup.py

@@ -21,7 +21,7 @@ required = [
 
 setup(
     name='django-postgrespool',
-    version='0.2.5',
+    version='0.2.6',
     description='Postgres Connection Pooling for Django.',
     long_description=open('README.rst').read(),
     author='Kenneth Reitz',