title: Django error: render_to_response() got an unexpected keyword argument 'context_instance'
body: <p>After upgrading to Django 1.10, I get the error <code>render_to_response() got an unexpected keyword argument 'context_instance'</code>.</p>
  
  <p>My view is as follows:</p>
  
  <pre><code>from django.shortcuts import render_to_response
  from django.template import RequestContext
  
  def my_view(request):
      context = {'foo': 'bar'}
      return render_to_response('my_template.html', context, context_instance=RequestContext(request))
  </code></pre>
  
  <p>Here is the full traceback:</p>
  
  <pre><code>Traceback:
  
  File "/Users/alasdair/.virtualenvs/django110/lib/python2.7/site-packages/django/core/handlers/exception.py" in inner
    39.             response = get_response(request)
  
  File "/Users/alasdair/.virtualenvs/django110/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response
    187.                 response = self.process_exception_by_middleware(e, request)
  
  File "/Users/alasdair/.virtualenvs/django110/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response
    185.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)
  
  File "/Users/alasdair/dev/rtr/rtr/urls.py" in my_view
    26.     return render_to_response('my_template.html', context,  context_instance=RequestContext(request))
  
   Exception Type: TypeError at /
  Exception Value: render_to_response() got an unexpected keyword argument 'context_instance'
  </code></pre>