From 4b26589442de523f0b688b1bb02983618632f4df Mon Sep 17 00:00:00 2001
From: carverde <90798442+carverde@users.noreply.github.com>
Date: Sat, 1 Oct 2022 23:26:32 -0400
Subject: [PATCH] Attempt to produce an error message to indicate that there
are less labels than legends
---
lib/matplotlib/legend.py | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/matplotlib/legend.py b/lib/matplotlib/legend.py
index 20d4a76e0db3..c31a3c852aca 100644
--- a/lib/matplotlib/legend.py
+++ b/lib/matplotlib/legend.py
@@ -1225,7 +1225,15 @@ def _parse_legend_args(axs, *args, handles=None, labels=None, **kwargs):
# if got both handles and labels as kwargs, make same length
if handles and labels:
- handles, labels = zip(*zip(handles, labels))
+ lengthOfHandles = []
+ lengthOfLabels = []
+ lengthOfHandles, LengthOfLabels = _get_legend_handles_labels(axs, handlers)
+ if len(lengthOfHandles) != len(lengthOfLabels):
+ log.warning("The amount of labels do not match the number of legends."
+ "Please note that they have to be the same size in order to"
+ "produce accurate graph representations.")
+ else:
+ handles, labels = zip(*zip(handles, labels))
elif handles is not None and labels is None:
labels = [handle.get_label() for handle in handles]
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