tests/wpt/update: Fix print statements to be compatible with Python3

tests/wpt/update/github.py

@@ -2,6 +2,8 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
+from __future__ import print_function
+
 import json
 from urlparse import urljoin
 requests = None
@@ -46,7 +48,7 @@ def _request(self, method, path, data=None):
         if 200 <= resp.status_code < 300:
             return resp.json()
         else:
-            print resp.status_code, resp.json()
+            print(resp.status_code, resp.json())
             raise GitHubError(resp.status_code, resp.json())
 
     def repo(self, owner, name):

tests/wpt/update/upstream.py

@@ -1,3 +1,5 @@
+from __future__ import print_function
+
 import os
 import re
 import subprocess
@@ -155,7 +157,7 @@ def create(self, state):
         while True:
             commits = state.source_commits[:]
             for i, commit in enumerate(commits):
-                print "%i:\t%s" % (i, commit.message.summary)
+                print("%i:\t%s" % (i, commit.message.summary))
 
             remove = raw_input("Provide a space-separated list of any commits numbers to remove from the list to upstream:\n").strip()
             remove_idx = set()
@@ -178,9 +180,9 @@ def create(self, state):
 
             keep_commits = [(i,cmt) for i,cmt in enumerate(commits) if i not in remove_idx]
             #TODO: consider printed removed commits
-            print "Selected the following commits to keep:"
+            print("Selected the following commits to keep:")
             for i, commit in keep_commits:
-                print "%i:\t%s" % (i, commit.message.summary)
+                print("%i:\t%s" % (i, commit.message.summary))
             confirm = raw_input("Keep the above commits? y/n\n").strip().lower()
 
             if confirm == "y":
@@ -210,7 +212,7 @@ def create(self, state):
             try:
                 state.sync_tree.import_patch(stripped_patch, 1 + strip_count)
             except:
-                print patch.diff
+                print(patch.diff)
                 raise
             state.commits_loaded = i