title: JSONDecodeError, when use json.loads in Django
body: <p>JSONDecodeError, when use json.loads in Django.</p>
  
  <p>POST data</p>
  
  <blockquote>
    <p>(b'csrfmiddlewaretoken=ikpUI4vMMbYivTby6FUkXRGNXisF6Cgq5eRnYvqoxRoyfAkwiP5GlsBj'
    b'jVlh3Va4&amp;pergunta%5B1%5D%5Bitem%5D%5B1%5D=&amp;pergunta%5B1%5D%5Bitem%5D%5B2%5D='
    b'&amp;pergunta%5B2%5D%5Bitem%5D%5B3%5D=&amp;pergunta%5B2%5D%5Bitem%5D%5B4%5D=&amp;pergunt'
    b'a%5B2%5D%5Bitem%5D%5B5%5D=&amp;pergunta%5B2%5D%5Bitem%5D%5B6%5D=')</p>
  </blockquote>
  
  <pre><code>def post(self, request):
  
      data = json.loads(request.body)
      pprint(data)
      return HttpResponse(data)
  </code></pre>
  
  <p>Output Error</p>
  
  <blockquote>
    <p>JSONDecodeError at /</p>
    
    <p>Request Method:   POST Request URL:   <a href="http://localhost:8000/rma/" rel="nofollow noreferrer">http://localhost:8000/rma/</a> Django
    Version:  1.11.7 Exception Type:  JSONDecodeError Exception Value:<br>
    Expecting value: line 1 column 1 (char 0) Exception
    Location: /usr/local/Cellar/python3/3.6.2/Frameworks/Python.framework/Versions/3.6/lib/python3.6/json/decoder.py
    in raw_decode, line 357 Python
    Executable:   /Users/marcelowanderley/Python-Compare/bin/python Python
    Version:  3.6.2</p>
  </blockquote>