From 363016782e581b98fd79d226c38302b540c9b215 Mon Sep 17 00:00:00 2001
From: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
Date: Sun, 28 Apr 2019 18:42:34 +0200
Subject: [PATCH] Alternative fix for passing iterator as frames to
 FuncAnimation

---
 lib/matplotlib/animation.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
index bb3d686375d4..70500b34839c 100644
--- a/lib/matplotlib/animation.py
+++ b/lib/matplotlib/animation.py
@@ -1658,7 +1658,14 @@ def __init__(self, fig, func, frames=None, init_func=None, fargs=None,
         elif callable(frames):
             self._iter_gen = frames
         elif np.iterable(frames):
-            self._iter_gen = lambda: iter(frames)
+            if kwargs.get('repeat', True):
+                def iter_frames(frames=frames):
+                    while True:
+                        this, frames = itertools.tee(frames, 2)
+                        yield from this
+                self._iter_gen = iter_frames
+            else:
+                self._iter_gen = lambda: iter(frames)
             if hasattr(frames, '__len__'):
                 self.save_count = len(frames)
         else: