From 7a8161162f599dea3205a90b55505a3d88610859 Mon Sep 17 00:00:00 2001
From: wiredfool <eric-github@soroos.net>
Date: Tue, 18 Jul 2017 00:54:11 -0700
Subject: [PATCH] fix for
 https://github.com/python-pillow/Pillow/issues/2628#issuecomment-315962612

---
 PIL/JpegImagePlugin.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/PIL/JpegImagePlugin.py b/PIL/JpegImagePlugin.py
index ee29a8add..47fb0a6df 100644
--- a/PIL/JpegImagePlugin.py
+++ b/PIL/JpegImagePlugin.py
@@ -119,8 +119,8 @@ def APP(self, marker):
 
     # If DPI isn't in JPEG header, fetch from EXIF
     if "dpi" not in self.info and "exif" in self.info:
-        exif = self._getexif()
         try:
+            exif = self._getexif()
             resolution_unit = exif[0x0128]
             x_resolution = exif[0x011A]
             try:
@@ -131,7 +131,9 @@ def APP(self, marker):
                 # 1 dpcm = 2.54 dpi
                 dpi *= 2.54
             self.info["dpi"] = dpi, dpi
-        except KeyError:
+        except (KeyError, SyntaxError):
+            # SyntaxError for invalid/unreadable exif
+            # KeyError for dpi not included
             self.info["dpi"] = 72, 72