Merge remote-tracking branch 'gl/dgobbi/15647-PyObject-Wrapping' into release-6.3

* gl/dgobbi/15647-PyObject-Wrapping:
  15647 Fix bug with wrapping PyObject args in Python.

Merge-request: !1213

Wrapping/Tools/vtkWrapPythonMethod.c

@@ -78,16 +78,25 @@ void vtkWrapPython_DeclareVariables(
     {
     arg = theFunc->Parameters[i];
 
-    if (vtkWrap_IsPythonObject(arg) ||
-        /* a callable python object for function args */
-        vtkWrap_IsFunction(arg))
+    /* a callable python object for function args */
+    if (vtkWrap_IsFunction(arg))
       {
       fprintf(fp,
               "  PyObject *temp%d = NULL;\n",
               i);
+      /* ignore further arguments */
       break;
       }
 
+    /* a PyObject argument will simply be passed through */
+    if (vtkWrap_IsPythonObject(arg))
+      {
+      fprintf(fp,
+              "  PyObject *temp%d;\n",
+              i);
+      continue;
+      }
+
     /* make a "temp" variable for the argument */
     vtkWrap_DeclareVariable(fp, data, arg, "temp", i, VTK_WRAP_ARG);