@@ -31,15 +31,15 @@ def test__slice_1d__addition():
3131
3232 region = aa .Region1D (region = (0 , 1 ))
3333
34- arr_1d = arr_1d . array . at [region .slice ]. add ( image [region .slice ])
34+ arr_1d [region .slice ] += image [region .slice ]
3535
3636 assert (arr_1d == np .array ([2.0 , 2.0 , 3.0 , 4.0 ])).all ()
3737
3838 arr_1d = aa .Array1D .no_mask (values = np .array ([1.0 , 2.0 , 3.0 , 4.0 ]), pixel_scales = 1.0 )
3939
4040 region = aa .Region1D (region = (2 , 4 ))
4141
42- arr_1d = arr_1d . array . at [region .slice ]. add ( image [region .slice ])
42+ arr_1d [region .slice ] += image [region .slice ]
4343
4444 assert (arr_1d == np .array ([1.0 , 2.0 , 4.0 , 5.0 ])).all ()
4545
@@ -152,7 +152,7 @@ def test__slice_2d__addition():
152152 image = np .ones ((2 , 2 ))
153153 region = aa .Region2D (region = (0 , 1 , 0 , 1 ))
154154
155- array = array . at [region .slice ]. add ( image [region .slice ])
155+ array [region .slice ] += image [region .slice ]
156156
157157 assert (array == np .array ([[1.0 , 0.0 ], [0.0 , 0.0 ]])).all ()
158158
@@ -161,7 +161,7 @@ def test__slice_2d__addition():
161161 image = np .ones ((2 , 2 ))
162162 region = aa .Region2D (region = (0 , 1 , 0 , 1 ))
163163
164- array = array . at [region .slice ]. add ( image [region .slice ])
164+ array [region .slice ] += image [region .slice ]
165165
166166 assert (array == np .array ([[2.0 , 1.0 ], [1.0 , 1.0 ]])).all ()
167167
@@ -170,7 +170,7 @@ def test__slice_2d__addition():
170170 image = np .ones ((3 , 3 ))
171171 region = aa .Region2D (region = (1 , 3 , 2 , 3 ))
172172
173- array = array . at [region .slice ]. add ( image [region .slice ])
173+ array [region .slice ] += image [region .slice ]
174174
175175 assert (
176176 array == np .array ([[1.0 , 1.0 , 1.0 ], [1.0 , 1.0 , 2.0 ], [1.0 , 1.0 , 2.0 ]])
@@ -183,7 +183,7 @@ def test__slice_2d__set_to_zerose():
183183
184184 region = aa .Region2D (region = (0 , 1 , 0 , 1 ))
185185
186- array = array . at [region .slice ]. set ( 0 )
186+ array [region .slice ] = 0
187187
188188 assert (array == np .array ([[0.0 , 1.0 ], [1.0 , 1.0 ]])).all ()
189189
@@ -192,7 +192,7 @@ def test__slice_2d__set_to_zerose():
192192
193193 region = aa .Region2D (region = (1 , 3 , 2 , 3 ))
194194
195- array = array . at [region .slice ]. set ( 0 )
195+ array [region .slice ] = 0
196196
197197 assert (
198198 array == np .array ([[1.0 , 1.0 , 1.0 ], [1.0 , 1.0 , 0.0 ], [1.0 , 1.0 , 0.0 ]])
@@ -362,4 +362,4 @@ def test__exception__negative_coordinates_2d():
362362 aa .Region2D (region = (0 , 0 , - 1 , 2 ))
363363
364364 with pytest .raises (exc .RegionException ):
365- aa .Region2D (region = (0 , 1 , 2 , - 1 ))
365+ aa .Region2D (region = (0 , 1 , 2 , - 1 ))
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