def test_voter_get_requests_redirected_to_index(self):
        self.client.logout()
        self.client.login(username='user0', password='voter')

        response = self.client.get(reverse('results-export'), follow=True)
        self.assertRedirects(response, reverse('index'))
def winding_flux(pos, flux, ax=0):
    """plot flux vs position"""
    if ax == 0:
        ax = plt.gca()
    ax.set_title('Winding Flux / Vs')
    ax.grid(True)
    for p, f in zip(pos, flux):
        ax.plot(p, f)