Fix test and warnings.

docs/conf.py

@@ -134,7 +134,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+# html_static_path = ['_static']
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
@@ -266,4 +266,4 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'http://docs.python.org/': None}
+intersphinx_mapping = {'python': ('http://docs.python.org/', None)}

docs/narrative.rst

@@ -245,9 +245,9 @@ library):
 
 .. doctest::
 
-    >>> from six.moves import http_client
+    >>> import http.client
     >>> browser.open('http://localhost/@@/testbrowser/simple.html')
-    >>> isinstance(browser.headers, http_client.HTTPMessage)
+    >>> isinstance(browser.headers, http.client.HTTPMessage)
     True
 
 The headers can be accessed as a string: