From 230a2e3a339e9f6f73c08ea4e16429aa68eef723 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Tue, 1 Aug 2023 19:15:15 +1000
Subject: [PATCH 1/3] If "reset" is always true, then the argument can be
 removed

---
 src/PIL/WebPImagePlugin.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/PIL/WebPImagePlugin.py b/src/PIL/WebPImagePlugin.py
index 47227651b27..aadc71f62c8 100644
--- a/src/PIL/WebPImagePlugin.py
+++ b/src/PIL/WebPImagePlugin.py
@@ -93,7 +93,7 @@ def _open(self):
             self.info["xmp"] = xmp
 
         # Initialize seek state
-        self._reset(reset=True)
+        self._reset()
 
     def _getexif(self):
         if "exif" not in self.info:
@@ -116,9 +116,8 @@ def seek(self, frame):
         # Set logical frame to requested position
         self.__logical_frame = frame
 
-    def _reset(self, reset=True):
-        if reset:
-            self._decoder.reset()
+    def _reset(self):
+        self._decoder.reset()
         self.__physical_frame = 0
         self.__loaded = -1
         self.__timestamp = 0

From 6115d5957f3a53a33675fdede51469cc02533649 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Tue, 1 Aug 2023 19:16:28 +1000
Subject: [PATCH 2/3] _decoder.get_next() may return None

---
 src/PIL/WebPImagePlugin.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/PIL/WebPImagePlugin.py b/src/PIL/WebPImagePlugin.py
index aadc71f62c8..a6e1a2a00c5 100644
--- a/src/PIL/WebPImagePlugin.py
+++ b/src/PIL/WebPImagePlugin.py
@@ -74,9 +74,9 @@ def _open(self):
         self.info["background"] = (bg_r, bg_g, bg_b, bg_a)
         self.n_frames = frame_count
         self.is_animated = self.n_frames > 1
-        _, ts = self._decoder.get_next()
-        if ts:
-            self.info["duration"] = ts
+        ret = self._decoder.get_next()
+        if ret is not None:
+            self.info["duration"] = ret[1]
         self._mode = "RGB" if mode == "RGBX" else mode
         self.rawmode = mode
         self.tile = []

From 60433d5f37e93e462584b0e5997dad9b43cd853a Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Tue, 1 Aug 2023 19:17:54 +1000
Subject: [PATCH 3/3] Added test

---
 Tests/test_file_webp.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Tests/test_file_webp.py b/Tests/test_file_webp.py
index a7b6c735a69..3832441c02d 100644
--- a/Tests/test_file_webp.py
+++ b/Tests/test_file_webp.py
@@ -233,5 +233,4 @@ def test_duration(self, tmp_path):
             im.save(out_webp, save_all=True)
 
         with Image.open(out_webp) as reloaded:
-            reloaded.load()
             assert reloaded.info["duration"] == 1000