@@ -178,7 +178,7 @@ class ConstrainedLayoutEngine(LayoutEngine):
178178 _colorbar_gridspec = False
179179
180180 def __init__ (self , * , h_pad = None , w_pad = None ,
181- hspace = None , wspace = None , rect = [ 0 , 0 , 1 , 1 ] ,
181+ hspace = None , wspace = None , rect = ( 0 , 0 , 1 , 1 ) ,
182182 ** kwargs ):
183183 """
184184 Initialize ``constrained_layout`` settings.
@@ -197,7 +197,7 @@ def __init__(self, *, h_pad=None, w_pad=None,
197197 If h/wspace < h/w_pad, then the pads are used instead.
198198 Default to :rc:`figure.constrained_layout.hspace` and
199199 :rc:`figure.constrained_layout.wspace`.
200- rect : [l, b, w, h]
200+ rect : tuple of 4 floats
201201 Rectangle in figure coordinates to perform constrained layout in
202202 [left, bottom, width, height], each from 0-1.
203203 """
@@ -207,7 +207,7 @@ def __init__(self, *, h_pad=None, w_pad=None,
207207 h_pad = mpl .rcParams ['figure.constrained_layout.h_pad' ],
208208 wspace = mpl .rcParams ['figure.constrained_layout.wspace' ],
209209 hspace = mpl .rcParams ['figure.constrained_layout.hspace' ],
210- rect = [ 0 , 0 , 1 , 1 ] )
210+ rect = ( 0 , 0 , 1 , 1 ) )
211211 # set anything that was passed in (None will be ignored):
212212 self .set (w_pad = w_pad , h_pad = h_pad , wspace = wspace , hspace = hspace ,
213213 rect = rect )
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