Simplify

test.py

@@ -360,7 +360,7 @@ def test_holo_from_correlations(nxdirty, nydirty, nchan, nrow, epsilon):
     grid = np.random.randn(nx, ny) + 1.0j*np.random.randn(nx, ny)
     W = conf.W()
     res0 = np.zeros_like(grid)
-    for ii, (du, dv) in enumerate(product(*(2*(range(-W + 1, W),)))):
+    for du, dv in product(*(2*(range(-W + 1, W),))):
         d = ng.get_correlations(bl, conf, idx, du=du, dv=dv)
         res0 += d*np.roll(np.roll(grid, -du, axis=0), -dv, axis=1)
     res1 = ng.apply_holo(bl, conf, idx, grid)