Fix create_hound_config for python3

pep8 did a business!

Change-Id: I1ffc99e30a0b5fc41c1f2485546b10553c525915

jeepyb/cmd/create_hound_config.py

@@ -19,6 +19,12 @@
 import json
 import os
 
+# Python2 has unicode as a builtin
+# Python3 does not
+import sys
+if sys.version_info[0] >= 3:
+    unicode = str
+
 import jeepyb.utils as u