fix return none ref count

jhavl · jhavl · commit 60977278d396 · 2022-05-11T20:51:51.000+10:00
diff --git a/roboticstoolbox/core/fknm.cpp b/roboticstoolbox/core/fknm.cpp
@@ -186,7 +186,7 @@ extern "C"
             Py_DECREF(py_np_q);
         }
 
-        return Py_None;
+        Py_RETURN_NONE;
     }
 
     static PyObject *ETS_hessian0(PyObject *self, PyObject *args)

Original file line number	Diff line number	Diff line change
`@@ -186,7 +186,7 @@ extern "C"`
`186`	`186`	`Py_DECREF(py_np_q);`
`187`	`187`	`}`
`188`	`188`
`189`		`- return Py_None;`
	`189`	`+ Py_RETURN_NONE;`
`190`	`190`	`}`
`191`	`191`
`192`	`192`	`static PyObject ETS_hessian0(PyObject self, PyObject *args)`