Reverse :type and :param to standard ordering.

firestore/google/cloud/firestore/path.py

@@ -48,8 +48,8 @@ class Path(object):
       doc = Path.from_string('documents/my-document')
       sub_collection = doc.child('sub-collection')
 
-    :param parts: Sequence of names of the parts of a path.
     :type parts: list of str or int
+    :param parts: Sequence of names of the parts of a path.
     """
 
     def __init__(self, *parts):