Fix NameError

Author: gartens

tests/test_serialize.py

@@ -172,10 +172,10 @@ def test_serialize_decimal_large2(cur):
         cur.execute('INSERT INTO t(i, a) VALUES (0, ?)', (2**77,))
         cur.execute('SELECT a FROM t')
 
-        if os.getenv('DEFAULT_STORE', '') == 'mongodb':
+        if os.getenv('DEFAULT_STORE', '') != 'mongodb':
             assert cur.fetchone()[0] == 151115727451828646838272
         else:
-            assert cur.fetchone()[0] == Decimal('1.5111572745182865E+23')
+            assert cur.fetchone()[0] == decimal.Decimal('1.5111572745182865E+23')
         assert cur.fetchone() is None
 
 def test_deserialize_number(cur):