committed fix

Author: tqchen

python/tvm/_ctypes/_function.py

@@ -55,6 +55,7 @@ def cfun(args, type_codes, num_args, ret, _):
                 ret = TVMRetValueHandle(ret)
             check_call(_LIB.TVMCFuncSetReturn(ret, values[0], ctypes.c_int(tcodes[0])))
             _ = temp_args
+            _ = rv
 
     handle = FunctionHandle()
     f = TVMPackedCFunc(cfun)
@@ -143,6 +144,7 @@ def __call__(self, *args):
             self.handle, values, tcodes, ctypes.c_int(num_args),
             ctypes.byref(ret_val), ctypes.byref(ret_tcode)))
         _ = temp_args
+        _ = args
         return RETURN_SWITCH[ret_tcode.value](ret_val)