updating Retrieve and Rank example

Author: jsstylos

examples/retrieve_and_rank_v1.py

@@ -34,13 +34,13 @@
 # collection = retrieve_and_rank.create_collection(solr_cluster_id, 'test-collection', 'test-config')
 # print(json.dumps(collection, indent=2))
 
-if (len(configs['solr_configs']) > 0):
+if len(configs['solr_configs']) > 0:
     collections = retrieve_and_rank.list_collections(solr_cluster_id=solr_cluster_id)
     print(json.dumps(collections, indent=2))
 
     pysolr_client = retrieve_and_rank.get_pysolr_client(solr_cluster_id, 'example-collection')
     results = pysolr_client.search('bananas')
-    print(results)
+    print('{0} documents found'.format(len(results.docs)))
 
 # Rankers