TST: account for flakiness with Numpy v1 (part 2)

rcomer · rcomer · commit d3bf464798ef · 2026-04-03T14:52:37.000+01:00
diff --git a/lib/matplotlib/tests/test_colorbar.py b/lib/matplotlib/tests/test_colorbar.py
@@ -631,7 +631,9 @@ def test_colorbar_format(fmt):
     assert cbar.ax.yaxis.get_ticklabels()[4].get_text() == '2.00e+02'
 
     # but if we change the norm:
-    im.set_norm(LogNorm(vmin=0.1, vmax=10))
+    # when we require numpy >= 2, vmin can be 0.1, but at numpy 1.x this is
+    # sensitive to floating point errors
+    im.set_norm(LogNorm(vmin=0.09999, vmax=10))
     fig.canvas.draw()
     assert (cbar.ax.yaxis.get_ticklabels()[0].get_text() ==
             '$\\mathdefault{10^{-2}}$')
