Use Py_DECREF after PyObject_CallObject call (#4163)

Signed-off-by: Anatoly Myachev <[email protected]>

Author: anmyachev

third_party/intel/backend/driver.py

@@ -610,6 +610,7 @@ def format_of(ty):
     Py_DECREF(args);
     if (!ret)
       return NULL;
+    Py_DECREF(ret);
   }}
 
   void * pStream = PyLong_AsVoidPtr(py_obj_stream);
@@ -630,6 +631,7 @@ def format_of(ty):
     Py_DECREF(args);
     if (!ret)
       return NULL;
+    Py_DECREF(ret);
   }}
   if (PyErr_Occurred()) {{
     return NULL;