Fix using .get_color() and friends in labels handling

skirpichev · web-flow · commit 415cd6a31438 · 2017-12-17T14:07:03.000+03:00
This code was introduced in v2.1.1 and, apparently, wasn't tested, because .get_color() returns array. Here is an issue example: sympy/sympy#13730 (comment)
diff --git a/lib/matplotlib/legend.py b/lib/matplotlib/legend.py
@@ -1350,17 +1350,17 @@ def _in_handles(h, l):
             if type(f_h) != type(h):
                 continue
             try:
-                if f_h.get_color() != h.get_color():
+                if (f_h.get_color() != h.get_color()).any():
                     continue
             except AttributeError:
                 pass
             try:
-                if f_h.get_facecolor() != h.get_facecolor():
+                if (f_h.get_facecolor() != h.get_facecolor()).any():
                     continue
             except AttributeError:
                 pass
             try:
-                if f_h.get_edgecolor() != h.get_edgecolor():
+                if (f_h.get_edgecolor() != h.get_edgecolor()).any():
                     continue
             except AttributeError:
                 pass
