// Bail out if there is already a wxApp created. This means that the
// toolkit has already been initialized, as in embedding wxPython in
// a C++ wxWindows app, so we don't need to call wxEntryStart.
// Bail out if there is already a wxApp created. This means that the
// toolkit has already been initialized, as in embedding wxPython in
// a C++ wxWindows app, so we don't need to call wxEntryStart.