From 6bc8fdd34275669af9be4bc062a58b6b9af0e49c Mon Sep 17 00:00:00 2001
From: Jon Dufresne <jon.dufresne@gmail.com>
Date: Fri, 11 Nov 2016 16:59:32 -0800
Subject: [PATCH] Close file after reading in ImagePalette.load()

Fixes some "ResourceWarning: unclosed file ..." when running tests with
warnings enabled.
---
 PIL/ImagePalette.py | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/PIL/ImagePalette.py b/PIL/ImagePalette.py
index 3b60068bc..8bf09385c 100644
--- a/PIL/ImagePalette.py
+++ b/PIL/ImagePalette.py
@@ -197,23 +197,23 @@ def load(filename):
 
     # FIXME: supports GIMP gradients only
 
-    fp = open(filename, "rb")
+    with open(filename, "rb") as fp:
 
-    for paletteHandler in [
-        GimpPaletteFile.GimpPaletteFile,
-        GimpGradientFile.GimpGradientFile,
-        PaletteFile.PaletteFile
-    ]:
-        try:
-            fp.seek(0)
-            lut = paletteHandler(fp).getpalette()
-            if lut:
-                break
-        except (SyntaxError, ValueError):
-            # import traceback
-            # traceback.print_exc()
-            pass
-    else:
-        raise IOError("cannot load palette")
+        for paletteHandler in [
+            GimpPaletteFile.GimpPaletteFile,
+            GimpGradientFile.GimpGradientFile,
+            PaletteFile.PaletteFile
+        ]:
+            try:
+                fp.seek(0)
+                lut = paletteHandler(fp).getpalette()
+                if lut:
+                    break
+            except (SyntaxError, ValueError):
+                # import traceback
+                # traceback.print_exc()
+                pass
+        else:
+            raise IOError("cannot load palette")
 
     return lut  # data, rawmode