ValueError at /signup/
The view users.views.user_signup didn't return an HttpResponse object. It returned None instead.
Request Method: POST
Request URL:    http://127.0.0.1:8000/signup/
Django Version: 1.11.5
Exception Type: ValueError
Exception Value:
The view users.views.user_signup didn't return an HttpResponse object. It returned None instead.
Exception Location: /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/django/core/handlers/base.py in _get_response, line 198
Python Executable:  /Library/Frameworks/Python.framework/Versions/3.6/bin/python3
Python Version: 3.6.2
Python Path:
['/Users/omarjandali/Desktop/split/split',
 '/Library/Frameworks/Python.framework/Versions/3.6/lib/python36.zip',
 '/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6',
 '/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/lib-dynload',
 '/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages']

def user_signup(request):
    if request.method == "POST":
        form = SignupForm(request.POST)
        if form.is_valid():
            cd = form.cleaned_data
            username = cd['username']
            password = cd['password']
            verify = cd['verify']
            email = cd['email']
            valid_user = User.objects.filter(username = username).first()
            if valid_user == None:
                if password == verify:
                    secure_password = make_password(password)
                    user = User.objects.create(
                        username = username,
                        password = secure_password,
                        email = email,
                    )
                    login(request, user)
                    return redirect('test')
                else:
                    form = SignupForm()
                    parameters = {
                        'form':form,
                    }
                    return render(request, 'users/signup.html', parameters)
            else:
                return redirect('test')
    else:
        form = SignupForm()
        parameters = {
            'form':form
        }
        return render(request, 'users/signup.html', parameters)