Merge pull request #169 from trollknurr/little-readme-extend

Little document extend

README.rst

@@ -34,7 +34,7 @@ A Python wrapper around the Telegram Bot API.
 .. image:: https://coveralls.io/repos/python-telegram-bot/python-telegram-bot/badge.svg?branch=master&service=github
    :target: https://coveralls.io/github/python-telegram-bot/python-telegram-bot?branch=master
    :alt: Coveralls
-   
+
 .. image:: https://img.shields.io/badge/Telegram-Group-blue.svg
    :target: https://telegram.me/joinchat/ALnA-AJQm5R7Km9hdCgyng
    :alt: Telegram Group
@@ -58,9 +58,9 @@ Table of contents
 - `Getting started`_
 
   1. `The Updater class`_
-  
+
   2. `API`_
-  
+
   3. `JobQueue`_
 
   4. `Logging`_
@@ -190,7 +190,7 @@ Now, we need to define a function that should process a specific type of update:
 We want this function to be called on a Telegram message that contains the ``/start`` command, so we need to register it in the dispatcher::
 
    >>> dispatcher.addTelegramCommandHandler('start', start)
-   
+
 The last step is to tell the ``Updater`` to start working::
 
    >>> updater.start_polling()
@@ -216,7 +216,7 @@ Let's add some functionality to our bot. We want to add the ``/caps`` command, t
    >>> def caps(bot, update, args):
    ...   text_caps = ' '.join(args).upper()
    ...   bot.sendMessage(chat_id=update.message.chat_id, text=text_caps)
-   ... 
+   ...
    >>> dispatcher.addTelegramCommandHandler('caps', caps)
 
 Now it's time to stop the bot::
@@ -283,6 +283,10 @@ To post an image file via URL::
 
     >>> bot.sendPhoto(chat_id=chat_id, photo='https://telegram.org/img/t_logo.png')
 
+To post an image file from disk::
+
+    >>> bot.sendPhoto(chat_id=chat_id, photo=open('tests/test.png', 'rb'))
+
 To post a voice file from disk::
 
     >>> bot.sendVoice(chat_id=chat_id, voice=open('tests/telegram.ogg', 'rb'))