Convert dictionnary keys iterator to list before using index on it

Author: tsaunier

phabricator/__init__.py

@@ -333,7 +333,7 @@ def __init__(self, username=None, certificate=None, host=None,
         defined_hosts = ARCRC.get('hosts', {})
 
         try:
-            self.host = host if host else defined_hosts.keys()[0]
+            self.host = host if host else list(defined_hosts.keys())[0]
         except IndexError:
             raise ConfigurationError("No host found or provided.")