adding examples of how to import the helpers;

adding the client definition since ```bulk``` and ```es``` were used
without context / definition
changed from es to client to stay consistent with the quickstart naming convention

Author: iuliaferoli

docs/sphinx/helpers.rst

@@ -5,6 +5,15 @@ Helpers
 
 Collection of simple helper functions that abstract some specifics of the raw API.
 
+Connecting
+----------
+
+.. code-block:: python
+
+    from elasticsearch import Elasticsearch, helpers
+    
+    client = Elasticsearch(cloud_id="YOUR_CLOUD_ID", api_key="YOUR_API_KEY")
+
 
 Bulk helpers
 ------------
@@ -74,6 +83,8 @@ document is like ``{"word": "<myword>"}``.
 
 .. code:: python
 
+    from elasticsearch.helpers import bulk
+
     def gendata():
         mywords = ['foo', 'bar', 'baz']
         for word in mywords:
@@ -82,7 +93,7 @@ document is like ``{"word": "<myword>"}``.
                 "word": word,
             }
 
-    bulk(es, gendata())
+    bulk(client, gendata())
 
 
 For a more complete and complex example please take a look at