MNT: Update some image tests for Matplotlib 3.8

Looks like a minor bug in the contouring got fixed, which changed a few of the contour lines slightly.
Unidata · Sep 20, 2023 · 52b090a · 52b090a
1 parent b227175
commit 52b090a
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Showing 3 changed files with 5 additions and 3 deletions.
diff --git a/tests/plots/baseline/test_declarative_contour_convert_units.png b/tests/plots/baseline/test_declarative_contour_convert_units.png
diff --git a/tests/plots/baseline/test_declarative_contour_options.png b/tests/plots/baseline/test_declarative_contour_options.png
diff --git a/tests/plots/test_declarative.py b/tests/plots/test_declarative.py
@@ -20,7 +20,7 @@
 from metpy.io.metar import parse_metar_file
 from metpy.plots import (ArrowPlot, BarbPlot, ContourPlot, FilledContourPlot, ImagePlot,
                          MapPanel, PanelContainer, PlotGeometry, PlotObs, RasterPlot)
-from metpy.testing import needs_cartopy
+from metpy.testing import needs_cartopy, mpl_version_before
 from metpy.units import units
 
 
@@ -334,7 +334,8 @@ def test_declarative_contour_cam():
     return pc.figure
 
 
-@pytest.mark.mpl_image_compare(remove_text=True, tolerance=0.036)
+@pytest.mark.mpl_image_compare(remove_text=True,
+                               tolerance=0 if mpl_version_before('3.8') else 0)
 @needs_cartopy
 def test_declarative_contour_options():
     """Test making a contour plot."""
@@ -394,7 +395,8 @@ def test_declarative_layers_plot_options():
     return pc.figure
 
 
-@pytest.mark.mpl_image_compare(remove_text=True, tolerance=0.025)
+@pytest.mark.mpl_image_compare(remove_text=True,
+                               tolerance=0 if mpl_version_before('3.8') else 0)
 @needs_cartopy
 def test_declarative_contour_convert_units():
     """Test making a contour plot."""