add missing slash for sqlite URL with explicit :memory:

Fixes: #11772
Change-Id: I3bdb1c81c5a503cb16143c9d1c130ec79769fbca

diff --git a/lib/sqlalchemy/dialects/sqlite/pysqlite.py b/lib/sqlalchemy/dialects/sqlite/pysqlite.py
index 43ce043a97d3f88d4ab28f0e6d988b93df0e46c0..ab6ce6dc436d616f797481dbd65c3198689447b8 100644 (file)
--- a/lib/sqlalchemy/dialects/sqlite/pysqlite.py
+++ b/lib/sqlalchemy/dialects/sqlite/pysqlite.py
@@ -52,11 +52,11 @@ used. Double backslashes are probably needed::
     e = create_engine('sqlite:///C:\\path\\to\\database.db')
 
 To use sqlite ``:memory:`` database specify it as the filename using
-``sqlite://:memory:``. It's also the default if no filepath is
+``sqlite:///:memory:``. It's also the default if no filepath is
 present, specifying only ``sqlite://`` and nothing else::
 
-    # in-memory database
-    e = create_engine('sqlite://:memory:')
+    # in-memory database (note three slashes)
+    e = create_engine('sqlite:///:memory:')
     # also in-memory database
     e2 = create_engine('sqlite://')