Fix example for python3 + version matrix tests in CI (#93)

Author: gkorland

README.md

@@ -66,8 +66,8 @@ client.add_document(
 res = client.search("search engine")
 
 # the result has the total number of results, and a list of documents
-print res.total # "1"
-print res.docs[0].title
+print(res.total) # "2"
+print(res.docs[0].title) # "RediSearch"
 
 # Searching with complex parameters:
 q = Query("search engine").verbatim().no_content().with_scores().paging(0, 5)
@@ -116,4 +116,4 @@ Finally, invoke the virtual environment and run the tests:
 . ./venv3/bin/activate
 REDIS_PORT=6379 python test/test.py 
 REDIS_PORT=6379 python test/test_builder.py
-```
+```