Fix an odd error which would only occur close to new year's eve, due

to use of datetime.datetime.now() instead of utcnow() for comparison.
(I think the test can still fail if it's executed pretty much *at*
new year's eve, but that's not worth fixing.)

Lib/sqlite3/test/types.py

@@ -331,8 +331,7 @@ class DateTimeTests(unittest.TestCase):
         if sqlite.sqlite_version_info < (3, 1):
             return
 
-        # SQLite's current_timestamp uses UTC time, while datetime.datetime.now() uses local time.
-        now = datetime.datetime.now()
+        now = datetime.datetime.utcnow()
         self.cur.execute("insert into test(ts) values (current_timestamp)")
         self.cur.execute("select ts from test")
         ts = self.cur.fetchone()[0]