From 3b74281a2ff91d807fbdcea864374cef58b34124 Mon Sep 17 00:00:00 2001 From: Riley Lahd Date: Mon, 11 Mar 2019 07:55:37 -0600 Subject: [PATCH] Fix line lengths and init background out of loop --- src/PIL/GifImagePlugin.py | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/src/PIL/GifImagePlugin.py b/src/PIL/GifImagePlugin.py index f301a09eb..9d0ce5404 100644 --- a/src/PIL/GifImagePlugin.py +++ b/src/PIL/GifImagePlugin.py @@ -423,6 +423,7 @@ def _write_multiple_frames(im, fp, palette): im_frames = [] frame_count = 0 + background = None for imSequence in itertools.chain([im], im.encoderinfo.get("append_images", [])): for im_frame in ImageSequence.Iterator(imSequence): @@ -443,20 +444,21 @@ def _write_multiple_frames(im, fp, palette): if im_frames: # delta frame previous = im_frames[-1] - if ("disposal" in im.encoderinfo and im.encoderinfo["disposal"] == 2): + if ("disposal" in im.encoderinfo \ + and im.encoderinfo["disposal"] == 2): base_image = background else: base_image = previous["im"] if _get_palette_bytes(im_frame) == \ _get_palette_bytes(base_image): - delta = ImageChops.subtract_modulo(im_frame, - base_image) + delta = ImageChops.subtract_modulo(im_frame, base_image) else: delta = ImageChops.subtract_modulo( im_frame.convert('RGB'), base_image.convert('RGB')) bbox = delta.getbbox() - if not bbox and not ("disposal" in im.encoderinfo and im.encoderinfo["disposal"] == 2): + if not bbox and not ("disposal" in im.encoderinfo \ + and im.encoderinfo["disposal"] == 2): # This frame is identical to the previous frame if duration: previous['encoderinfo']['duration'] += \