Stop using mutable default values for parameters

One problem : it still should not go into a defaulted object

game/scripts/doll/chibi.rpy

@@ -4,7 +4,7 @@ init 5 python:
         # class attribute
         instances = {}
 
-        def __init__(self, name, layer="screens", zorder=12, zoom=0.28, doll=None, **properties):
+        def __init__(self, name, layer="screens", zorder=12, zoom=0.28, doll=None, poses=None, **properties):
 
             super().__init__(**properties)
 
@@ -21,7 +21,7 @@ init 5 python:
             if doll is None:
                 doll = states.dolls[name]
             self.char = doll
-            self.poses = {}
+            self.poses = poses or {}
 
             # Animation
             self.anim_frames = None
@@ -158,7 +158,7 @@ init 5 python:
             self.pose = pose
             self.update()
 
-        def place(self, pos=None, speed=1.0, pause=False, at_list=[], pose=None, xzoom=None):
+        def place(self, pos=None, speed=1.0, pause=False, at_list=(), pose=None, xzoom=None):
             self.set_pose(pose or self.idle)
 
             self.atl_time = 0
@@ -190,7 +190,7 @@ init 5 python:
 
             return
 
-        def move(self, path, speed=1.0, pause=True, loop=False, warper="linear", at_list=[], pose=None, repeat=None, wrap=True, reverse=True):
+        def move(self, path, speed=1.0, pause=True, loop=False, warper="linear", at_list=(), pose=None, repeat=None, wrap=True, reverse=True):
             """Makes chibi move"""
 
             self.atl_looping = loop
@@ -368,11 +368,12 @@ init offset = 5
 
 default hooch_chibi = DollChibi(name="hooch", doll=hooch)
 # default cho_chibi_new = DollChibi(name="cho", doll=cho)
-# default tonks_chibi_new = DollChibi(name="tonks", doll=tonks)
+# default tonks_chibi_new = DollChibi(name="tonks", doll=tonks, poses=dict(
+#     stand=(1, (600, 800)),
+#     walk=(8, (600, 800)),
+# ))
 
 # label chibitest:
-#     chibi tonks register ("stand", 1, (600, 800))
-#     chibi tonks register ("walk", 8, (600, 800))
 #     "Rollback block"
 #     $ renpy.block_rollback()
 
@@ -392,8 +393,6 @@ default hooch_chibi = DollChibi(name="hooch", doll=hooch)
 #     jump main_room_menu
 
 # label chibitest2:
-#     chibi tonks register ("stand", 1, (600, 800))
-#     chibi tonks register ("walk", 8, (600, 800))
 #     "Rollback block"
 #     $ renpy.block_rollback()