@@ -22,10 +22,9 @@
 
 # Globals that MUST be defined ###
 apilevel = "2.0"  # Implements the Python Database API specification 2.0 version.
-# '@' is used by Cloud Spanner as the param style but that style isn't listed
-# in any of the options  https://www.python.org/dev/peps/pep-0249/#paramstyle
-# so we are going with a custom named paramstyle.
-paramstyle = 'at-named'
+# We accept arguments in the format '%s' aka ANSI C print codes.
+# as per https://www.python.org/dev/peps/pep-0249/#paramstyle
+paramstyle = 'format'
 # Threads may not share the module. This is a paranoid threadsafety level, but it is
 # necessary for starters to use when debugging failures. Eventually once transactions
 # are working properly, we'll update the threadsafety level.
 
@@ -12,5 +12,5 @@
 class DBAPIGlobalsTests(TestCase):
     def test_apilevel(self):
         self.assertEqual(apilevel, '2.0', 'We implement PEP-0249 version 2.0')
-        self.assertEqual(paramstyle, 'at-named', 'Cloud Spanner uses @param')
+        self.assertEqual(paramstyle, 'format', 'Cloud Spanner uses @param')
         self.assertEqual(threadsafety, 0, 'Downgraded to the least concurrency')