from django.db.models.signals import ModelSignal as Signal

# Behaves like Djangos normal pre-/post_save signals signals with the
# added arguments ``target`` and ``position`` that matches those of
# ``move_to``.
# If the signal is called from ``save`` it'll not be pass position.
node_moved = Signal(providing_args=[
    'instance',
    'target',
    'position'
])

@@ -45,18 +45,8 @@
 gnal
- as Signal
 %0A%0A# 
@@ -277,16 +277,21 @@
 moved = 
+Model
 Signal(p

Update signals.py