Getting started example in the docs needs to be updated for v7

[elyase]

The starting example in the docs doesn't work:

The part:

res = es.search(index="test-index", body={"query": {"match_all": {}}})
print("Got %d Hits:" % res['hits']['total'])
for hit in res['hits']['hits']:
    print("%(timestamp)s %(author)s: %(text)s" % hit["_source"])

fails with:

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-21-41126016e65f> in <module>
     17 
     18 res = es.search(index="test-index", body={"query": {"match_all": {}}})
---> 19 print("Got %d Hits:" % res['hits']['total'])
     20 for hit in res['hits']['hits']:
     21     print("%(timestamp)s %(author)s: %(text)s" % hit["_source"])

TypeError: %d format: a number is required, not dict

and needs to be replaced with:

print("Got %d Hits:" % res['hits']['total']['value'])