diff --git a/src/tools/draw_clusters.py b/src/tools/draw_clusters.py
index 64a0bd988f..d16f894756 100644
--- a/src/tools/draw_clusters.py
+++ b/src/tools/draw_clusters.py
@@ -198,4 +198,3 @@ def draw_heatmap(axis, x, y, weights, bins=1000, vmin=None, vmax=None, cmap=plt.
     # build GIF
     imageio.mimsave(os.path.join(args.outdir, 'e{:d}_c{:d}_layers2.gif'.format(args.iev, args.icl)),
                     frames, 'GIF', duration=args.dura)
-