zheng-da commented on a change in pull request #11577: Fix flaky test
test_gluon.test_hybrid_static_memory_switching
URL: https://github.com/apache/incubator-mxnet/pull/11577#discussion_r201094118
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File path: tests/python/unittest/test_gluon.py
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@@ -1187,17 +1187,19 @@ def check_hybrid_static_memory_switching(**kwargs):
x = mx.nd.random.uniform(shape=(4, 3, 32, 32))
net(x)
+ x.attach_grad()
Review comment:
without it, it seems the backward computation couldn't proceed.
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