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-rw-r--r--examples/backends/plot_wass2_gan_torch.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/examples/backends/plot_wass2_gan_torch.py b/examples/backends/plot_wass2_gan_torch.py
index ca5b3c9..cc82f4f 100644
--- a/examples/backends/plot_wass2_gan_torch.py
+++ b/examples/backends/plot_wass2_gan_torch.py
@@ -151,6 +151,7 @@ for i in range(n_iter):
loss.backward()
optimizer.step()
+ optimizer.zero_grad()
del M