def register(request):
    def errorHandle(error):
        form = RegistrationForm()
        return TemplateResponse(request, 'register.html',
                                 {'form': form,
                                 'error': error},
                                )
    #return TemplateResponse(request, 'register.html',)

    if request.method == "POST":
        form = RegistrationForm(request.POST)

        if form.is_valid():
            username = form.cleaned_data['username']
            password = form.cleaned_data['password']
            email = form.cleaned_data['email']

            if User.DoesNotExist:
                User.objects.create_user(username, email, password)
                #error = "User exists"
                #return errorHandle(error)
            else:
                error ="test"
                return errorHandle(error)


        else:
            error = "Proszę prawidłowo wypełnić formularz"
            return errorHandle(error)

    return TemplateResponse(request, 'register.html',
                            )