whitespace tweaks

chapter_fixtures_and_wait_decorator.asciidoc

@@ -85,17 +85,12 @@ works against the database on the staging server too.
 
 
 
-
 [role="pagebreak-before less_space"]
 .Django Sessions: How a User's Cookies Tell the Server She Is Authenticated
 **********************************************************************
 
 'Being an attempt to explain sessions, cookies, and authentication in Django.'
 
-
-
-
-
 ((("authentication", "cookies and")))Because
 HTTP is stateless, servers need a way of recognising different clients
 with 'every single request'. IP addresses can be shared, so the usual

chapter_mocking.asciidoc

@@ -1434,7 +1434,8 @@ from unittest.mock import patch, call
     are so convenient, compared to trying to build your own.
 
 <4> Now, instead of "unpacking" the call args, we use the `call` function
-    for a neater way of saying what it should have been called with-- that is, the token from the GET request. (See the following sidebar.)
+    for a neater way of saying what it should have been called with--that is,
+    the token from the GET request. (See the following sidebar.)
 
 [role="less_space pagebreak-before"]
 .On Mock call_args