reduce diff (remove explicit tuple conversion)

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

src/databricks/sql/backend/thrift_backend.py

@@ -727,7 +727,7 @@ def _col_to_description(col):
         else:
             precision, scale = None, None
 
-        return (col.columnName, cleaned_type, None, None, precision, scale, None)
+        return col.columnName, cleaned_type, None, None, precision, scale, None
 
     @staticmethod
     def _hive_schema_to_description(t_table_schema):