Remove redundant import from sphinx conf (#287)

docs/conf.py

@@ -17,7 +17,6 @@
 import os
 import codecs
 import re
-import alabaster
 
 _docs_path = os.path.dirname(__file__)
 _version_path = os.path.abspath(os.path.join(_docs_path,
@@ -156,7 +155,7 @@
 }
 
 # Add any paths that contain custom themes here, relative to this directory.
-html_theme_path = [alabaster.get_path()]
+html_theme_path = []
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".

docs/index.rst

@@ -23,7 +23,9 @@ The session object has dict-like interface (operations like
 Before processing session in web-handler you have to register *session
 middleware* in :class:`aiohttp.web.Application`.
 
-A trivial usage example::
+A trivial usage example:
+
+.. code-block:: python
 
     import time
     from aiohttp import web
@@ -59,11 +61,11 @@ Available session storages are:
 
   For key generation use :meth:`cryptography.fernet.Fernet.generate_key` method.
 
-  Requires :term:`cryptography` library::
+  Requires :term:`cryptography` library:
 
-  .. code::
+  .. code-block:: bash
 
-     $ pip3 install aiohttp_session[secure]
+      $ pip3 install aiohttp_session[secure]
 
 * :class:`~aiohttp_session.redis_storage.RedisStorage` -- stores
   JSON-ed data into *redis*, keeping into cookie only redis key