title: Problems with pip install django-socketio
body: <p>pip3 install -U django-socketio outputs the following errors python version on this environment is 3.4.3. The same thing appears when I try to install django channels on python 3.5 or higher</p>
  
  <pre><code>Collecting django-socketio
    Downloading django-socketio-0.3.9.tar.gz (48kB)
      100% |████████████████████████████████| 51kB 204kB/s 
      Complete output from command python setup.py egg_info:
      Traceback (most recent call last):
        File "&lt;string&gt;", line 1, in &lt;module&gt;
        File "/tmp/pip-build-j3y67yvi/django-socketio/setup.py", line 7, in &lt;module&gt;
          version = __import__("django_socketio").__version__,
        File "/tmp/pip-build-j3y67yvi/django-socketio/django_socketio/__init__.py", line 2, in &lt;module&gt;
          from django_socketio.utils import NoSocket, send, broadcast, broadcast_channel
        File "/tmp/pip-build-j3y67yvi/django-socketio/django_socketio/utils.py", line 44
          except IndexError, KeyError:
                           ^
      SyntaxError: invalid syntax
  
      ----------------------------------------
  Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-j3y67yvi/django-socketio/
  </code></pre>