root@pulsar:/etc/mms/scripts/windowexample3# ./youtube.py 
/var/lib/python-support/python2.5/gtk-2.0/gtk/__init__.py:72: GtkWarning: could not open display
  warnings.warn(str(e), _gtk.Warning)
./youtube.py:8: Warning: invalid (NULL) pointer instance
  gtk.Window.__init__(self)
./youtube.py:8: Warning: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
  gtk.Window.__init__(self)
./youtube.py:16: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  gtk.TreeViewColumn("Movies", gtk.CellRendererText(), text=0))
./youtube.py:16: Warning: g_object_get: assertion `G_IS_OBJECT (object)' failed
  gtk.TreeViewColumn("Movies", gtk.CellRendererText(), text=0))
./youtube.py:18: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  scroll = gtk.ScrolledWindow()
./youtube.py:25: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  btnsearch = gtk.Button("Search")
./youtube.py:25: Warning: g_object_get: assertion `G_IS_OBJECT (object)' failed
  btnsearch = gtk.Button("Search")
./youtube.py:38: GtkWarning: Screen for GtkWindow not set; you must always set
a screen for a GtkWindow before using the window
  self.show_all()
./youtube.py:38: GtkWarning: gdk_pango_context_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_context_set_font_description: assertion `context != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_context_set_base_dir: assertion `context != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_context_set_language: assertion `context != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_context_get_language: assertion `context != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_context_get_metrics: assertion `PANGO_IS_CONTEXT (context)' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_font_metrics_get_ascent: assertion `metrics != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_font_metrics_get_descent: assertion `metrics != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_new: assertion `context != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_set_text: assertion `layout != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_set_attributes: assertion `layout != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_set_alignment: assertion `layout != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_set_ellipsize: assertion `PANGO_IS_LAYOUT (layout)' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_set_single_paragraph_mode: assertion `PANGO_IS_LAYOUT (layout)' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_set_width: assertion `layout != NULL' failed
  self.show_all()
./youtube.py:38: PangoWarning: pango_layout_get_extents: assertion `layout != NULL' failed
  self.show_all()
./youtube.py:38: GtkWarning: gtk_widget_size_allocate(): attempt to allocate widget with width 0 and height -1188237
  self.show_all()
./youtube.py:38: GtkWarning: gdk_screen_get_default_colormap: assertion `GDK_IS_SCREEN (screen)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_colormap_get_visual: assertion `GDK_IS_COLORMAP (colormap)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_screen_get_root_window: assertion `GDK_IS_SCREEN (screen)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_new: assertion `GDK_IS_WINDOW (parent)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_enable_synchronized_configure: assertion `GDK_IS_WINDOW (window)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_set_user_data: assertion `window != NULL' failed
  self.show_all()
./youtube.py:38: GtkWarning: gtk_style_attach: assertion `window != NULL' failed
  self.show_all()
./youtube.py:38: GtkWarning: gtk_style_set_background: assertion `GTK_IS_STYLE (style)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gtk_paint_flat_box: assertion `GTK_IS_STYLE (style)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_set_accept_focus: assertion `GDK_IS_WINDOW (window)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_set_focus_on_map: assertion `GDK_IS_WINDOW (window)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_set_modal_hint: assertion `GDK_IS_WINDOW (window)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gtk_window_realize_icon: assertion `widget->window != NULL' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_set_geometry_hints: assertion `GDK_IS_WINDOW (window)' failed
  self.show_all()
./youtube.py:38: Warning: g_object_ref: assertion `G_IS_OBJECT (object)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_screen_get_display: assertion `GDK_IS_SCREEN (screen)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_cursor_new_for_display: assertion `GDK_IS_DISPLAY (display)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_cursor_unref: assertion `cursor != NULL' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_show: assertion `GDK_IS_WINDOW (window)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_drawable_get_size: assertion `GDK_IS_DRAWABLE (drawable)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_drawable_get_colormap: assertion `GDK_IS_DRAWABLE (drawable)' failed
  self.show_all()
./youtube.py:38: GtkWarning: gdk_window_set_background: assertion `GDK_IS_WINDOW (window)' failed
  self.show_all()
./youtube.py:38: GtkWarning: _gtk_style_peek_property_value: assertion `GTK_IS_STYLE (style)' failed
  self.show_all()
Segmentation fault (core dumped)