Add option to prevent empty spots in grid (2/2)

modules/images.py

@@ -24,10 +24,13 @@ def image_grid(imgs, batch_size=1, rows=None):
             rows = opts.n_rows
         elif opts.n_rows == 0:
             rows = batch_size
-        else:
+        elif opts.grid_prevent_empty_spots:
             rows = math.floor(math.sqrt(len(imgs)))
             while len(imgs) % rows != 0:
                 rows -= 1
+        else:
+            rows = math.sqrt(len(imgs))
+            rows = round(rows)
 
     cols = math.ceil(len(imgs) / rows)