@@ -130,6 +130,10 @@ def search(query, request, selected_engines):
130130 req = grequests.post
131131 request_args['data'] = request_params['data']
132132
133+ # ignoring empty urls
134+ if not request_params['url']:
135+ continue
136+
133137 requests.append(req(request_params['url'], **request_args))
134138 grequests.map(requests)
135139 for engine_name,engine_results in results.items():