doc fix

diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py
index 6032a62de9cd71d23801e1d079474c8d4c4f62aa..2ea8c2494b143273b918680ea7502f3765f091fa 100644 (file)
--- a/lib/sqlalchemy/dialects/sqlite/base.py
+++ b/lib/sqlalchemy/dialects/sqlite/base.py
@@ -179,7 +179,7 @@ class DATETIME(_DateTimeMixin, sqltypes.DateTime):
 
         dt = DATETIME(
             storage_format="%(year)04d/%(month)02d/%(day)02d %(hour)02d:%(min)02d:%(second)02d",
-            regexp=re.compile("(\d+)/(\d+)/(\d+) (\d+)-(\d+)-(\d+)")
+            regexp=r"(\d+)/(\d+)/(\d+) (\d+)-(\d+)-(\d+)"
         )
 
     :param storage_format: format string which will be applied to the