Update comtributing guide with explicit kwargs

jsmnbom · web-flow · commit 2518ddac22ed · 2016-10-19T13:07:20.000+02:00
diff --git a/.github/CONTRIBUTING.rst b/.github/CONTRIBUTING.rst
@@ -184,8 +184,8 @@ break the API classes. For example:
 .. code-block:: python
 
     # GOOD
-    def __init__(self, id, name, **kwargs):
-       self.last_name = kwargs.get('last_name', '')
+    def __init__(self, id, name, last_name='', **kwargs):
+       self.last_name = last_name
 
     # BAD
     def __init__(self, id, name, last_name=''):
