Context sent to templates for rendering include the form's cleaned
        data and also the current Request object.

def get_context(self):
        """
        Context sent to templates for rendering include the form's cleaned
        data and also the current Request object.
        """
        if not self.is_valid():
            raise ValueError("Cannot generate Context when form is invalid.")
        return dict(request=self.request, **self.cleaned_data)