in config_parser.py [0:0]
def _TestListOfStrings(key, value):
if not isinstance(value, list):
raise Exception('Wrong type for key "%s", expecting list, got %s.' %
(key, type(value)))
for element in value:
if not isinstance(element, basestring):
raise Exception("In %s, %s was not a string but %s" %
(key, k, type(k)))