FIX: legend when edgecolor is face

jklymak · jklymak · commit 55c24d1bead0 · 2021-05-18T13:51:30.000-07:00
diff --git a/lib/matplotlib/legend_handler.py b/lib/matplotlib/legend_handler.py
@@ -747,7 +747,11 @@ def get_first(prop_array):
                 return prop_array[0]
             else:
                 return None
-        edgecolor = orig_handle.get_edgecolor()
+        edgecolor = getattr(orig_handle, '_original_edgecolor',
+                            orig_handle.get_edgecolor())
+        if edgecolor == 'face':
+            # let get_edgecolor handle this:
+            edgecolor = orig_handle.get_edgecolor()
         legend_handle.set_edgecolor(first_color(edgecolor))
         facecolor = getattr(orig_handle, '_original_facecolor',
                             orig_handle.get_facecolor())
diff --git a/lib/matplotlib/tests/test_legend.py b/lib/matplotlib/tests/test_legend.py
@@ -764,3 +764,10 @@ def test_plot_multiple_label_incorrect_length_exception():
         label = ['high', 'low', 'medium']
         fig, ax = plt.subplots()
         ax.plot(x, y, label=label)
+
+
+def test_legend_face_edgecolor():
+    fig, ax = plt.subplots()
+    ax.fill_between([0, 1, 2], [1, 2, 3], [2, 3, 4], 
+                    facecolor='r', edgecolor='face', label='Fill')
+    ax.legend()
