{"action":"created","comment":{"url":"https://api.github.com/repos/chainer/chainer/pulls/comments/201638219","pull_request_review_id":136157345,"id":201638219,"node_id":"MDI0OlB1bGxSZXF1ZXN0UmV2aWV3Q29tbWVudDIwMTYzODIxOQ==","diff_hunk":"@@ -0,0 +1,41 @@\n+from chainer import distributions\n+from chainer import testing\n+import numpy\n+\n+\n+@testing.parameterize(*testing.product({\n+    'shape': [(3, 2), (1,)],\n+    'is_variable': [True, False],\n+    'sample_shape': [(3, 2), ()],\n+}))\n+@testing.fix_random()\n+@testing.with_requires('scipy')\n+class 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