@@ -240,8 +240,7 @@ def get_search_query_from_webapp(preferences, form):
240240 query_time_range = form.get('time_range')
241241
242242 # check time_range
243− if not(query_time_range is None)\
244− and not (query_time_range in ['', 'day', 'week', 'month', 'year']):
243+ if query_time_range not in [None, '', 'day', 'week', 'month', 'year']:
245244 raise SearxParameterException('time_range', query_time_range)
246245
247246 # query_engines