title: Although I install python-telegram-bot, error of no module named 'telegram'
body: <p>I installed telegram packages. But when I try to run the simple example, echobot.py, I got an error:</p>
  
  <pre><code>Traceback (most recent call last):
      File "echobot.py", line 8, in &lt;module&gt;
  import telegram ImportError: No module named 'telegram'
  </code></pre>
  
  <p>Can anyone help me?</p>
  
  <p>I install using git: </p>
  
  <pre><code>$ git clone https://github.com/python-telegram-bot/python-telegram-bot
  </code></pre>
  
  <p>after this:</p>
  
  <pre><code>$ python -i
  Python 3.5.2 (v3.5.2:4def2a2901a5, Jun 25 2016, 22:01:18) [MSC v.1900 32 bit (Intel)] on win32
  Type "help", "copyright", "credits" or "license" for more information.
  
  import telegram
  
  Traceback (most recent call last):
      File "&lt;stdin&gt;", line 1, in &lt;module&gt;
  ImportError: No module named 'telegram'
  </code></pre>