diff --git a/plugins/SideFX/Houdini/otls/LYNX_force.hda/LYNX_8_8Dop_1LYNX__force__general_8_81.3/PostLastDelete b/plugins/SideFX/Houdini/otls/LYNX_force.hda/LYNX_8_8Dop_1LYNX__force__general_8_81.3/PostLastDelete
index 5ff66f7..7af9bb7 100644
--- a/plugins/SideFX/Houdini/otls/LYNX_force.hda/LYNX_8_8Dop_1LYNX__force__general_8_81.3/PostLastDelete
+++ b/plugins/SideFX/Houdini/otls/LYNX_force.hda/LYNX_8_8Dop_1LYNX__force__general_8_81.3/PostLastDelete
@@ -2,10 +2,10 @@ LYNX_force_general_guide_playback_hide_variable = "LYNX_force_general_guide_play
 
 def force_guide_playback_hide_callback_remove():
     callbacks = hou.playbar.eventCallbacks()
-    callbacks = filter(lambda x: x.__name__ == LYNX_force_general_guide_playback_hide_variable,callbacks)
+    callbacks = [f for f in callbacks if f.__name__ == LYNX_force_general_guide_playback_hide_variable]
     callback_function = callbacks[0]
     hou.playbar.removeEventCallback(callback_function)
     
     hou.hscript("setenv -u "+LYNX_force_general_guide_playback_hide_variable)
     
-force_guide_playback_hide_callback_remove()
\ No newline at end of file
+force_guide_playback_hide_callback_remove()