- changed a few isinstance(value, Decimal) to "is not None", where appropriate

- fixed result processor for Numeric(asdecimal=False) on MSSQL.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/sqlalchemy/dialects/mysql/mysqldb.py b/lib/sqlalchemy/dialects/mysql/mysqldb.py
index 846de6580..c07ed8713 100644
--- a/lib/sqlalchemy/dialects/mysql/mysqldb.py
+++ b/lib/sqlalchemy/dialects/mysql/mysqldb.py
@@ -50,9 +50,9 @@ class MySQL_mysqldbCompiler(MySQLCompiler):
 class _DecimalType(_NumericType):
     def result_processor(self, dialect, coltype):
         if self.asdecimal:
-            return
+            return None
         def process(value):
-            if isinstance(value, decimal.Decimal):
+            if value is not None:
                 return float(value)
             else:
                 return value