Update docs to use list_collection_names method (#401)

Jesse M. Holmes · ShaneHarvey · commit 66eb6da60155 · 2019-03-28T16:08:08.000-07:00
db.collection_names() is deprecated.
diff --git a/doc/tutorial.rst b/doc/tutorial.rst
@@ -142,7 +142,7 @@ of the collections in our database:
 
 .. doctest::
 
-  >>> db.collection_names(include_system_collections=False)
+  >>> db.list_collection_names()
   [u'posts']
 
 Getting a Single Document With :meth:`~pymongo.collection.Collection.find_one`
