Subject: virtinst: Fix _URLFetcher for reading files
From: Andrew Wong andrew.kw.w@gmail.com Wed Nov 8 01:23:28 2017 -0500
Date: Wed Nov 22 17:26:31 2017 -0500:
Git: f836e47b7053ce8cd83c66728acfb9b0f821bcac

_grabber() is used for both binary and text files.

diff --git a/virtinst/urlfetcher.py b/virtinst/urlfetcher.py
index 5dae424c..1288668a 100644
--- a/virtinst/urlfetcher.py
+++ b/virtinst/urlfetcher.py
@@ -169,7 +169,7 @@ class _URLFetcher(object):
         """
         Grab the passed filename from self.location and return it as a string
         """
-        fileobj = io.StringIO()
+        fileobj = io.BytesIO()
         self._grabURL(filename, fileobj)
         return fileobj.getvalue()