handle binary stream from urllib.request.urlopen

Python 3 returns bytes by default with urlopen.  Adjust our code to
handle that scenario and decode as necessary.

Bug: https://crbug.com/gerrit/10418
Change-Id: Icf4cd80e7ef92d71a3eefbc6113f1ba11c32eebc
diff --git a/git_config.py b/git_config.py
index ca1282a..cdfeddd 100644
--- a/git_config.py
+++ b/git_config.py
@@ -657,13 +657,14 @@
               info = urllib.request.urlopen(info_url, context=context).read()
           else:
               info = urllib.request.urlopen(info_url).read()
-          if info == 'NOT_AVAILABLE' or '<' in info:
+          if info == b'NOT_AVAILABLE' or b'<' in info:
             # If `info` contains '<', we assume the server gave us some sort
             # of HTML response back, like maybe a login page.
             #
             # Assume HTTP if SSH is not enabled or ssh_info doesn't look right.
             self._review_url = http_url
           else:
+            info = info.decode('utf-8')
             host, port = info.split()
             self._review_url = self._SshReviewUrl(userEmail, host, port)
         except urllib.error.HTTPError as e: