Avoid putting 255 into int8 due to new numpy 2 type promotion rules

bnavigator · bnavigator · commit f88554113e8c · 2024-06-02T17:04:26.000+02:00
diff --git a/packages/python/plotly/plotly/tests/test_optional/test_px/test_imshow.py b/packages/python/plotly/plotly/tests/test_optional/test_px/test_imshow.py
@@ -341,7 +341,7 @@ def test_imshow_source_dtype_zmax(dtype, contrast_rescaling):
             assert (
                 np.abs(
                     np.max(decode_image_string(fig.data[0].source))
-                    - 255 * img.max() / np.iinfo(dtype).max
+                    - np.int64(255) * img.max() / np.iinfo(dtype).max
                 )
                 < 1
             )

Original file line number	Diff line number	Diff line change
`@@ -341,7 +341,7 @@ def test_imshow_source_dtype_zmax(dtype, contrast_rescaling):`
`341`	`341`	`assert (`
`342`	`342`	`np.abs(`
`343`	`343`	`np.max(decode_image_string(fig.data[0].source))`
`344`		`- - 255 * img.max() / np.iinfo(dtype).max`
	`344`	`+ - np.int64(255) * img.max() / np.iinfo(dtype).max`
`345`	`345`	`)`
`346`	`346`	`< 1`
`347`	`347`	`)`