Reverted back the ( i ) parameters for python, applied the PyGILState_Ensure from Dick into his PyLOCK class

pcbnew/tool_modedit.cpp

@@ -78,7 +78,7 @@ void FOOTPRINT_EDIT_FRAME::ReCreateHToolbar()
     m_mainToolBar->AddTool( ID_MODEDIT_NEW_MODULE, wxEmptyString, KiBitmap( new_footprint_xpm ),
                             _( "New module" ) );
 
-#ifdef KICAD_SCRIPTING_WXPYTHON
+#ifdef KICAD_SCRIPTING
     m_mainToolBar->AddTool( ID_MODEDIT_NEW_MODULE_FROM_WIZARD, wxEmptyString,
                             KiBitmap( module_wizard_xpm ),
                             _( "New module from footprint wizard" ) );

scripting/python_scripting.h

@@ -44,14 +44,13 @@ public:
 
 
 #else
-
 class PyLOCK
 {
+   PyGILState_STATE gil_state;
+
 public:
-    // @todo: this is wrong, python docs clearly say we need the GIL,
-    // irrespective of wxPython.
-    PyLOCK()    {}
-    ~PyLOCK()   {}
+   PyLOCK()      { gil_state = PyGILState_Ensure(); }
+   ~PyLOCK()     { PyGILState_Release( gil_state ); }
 };
 
 #endif