From 084a3890db88043634ccbb3974f1ef584e19dfd5 Mon Sep 17 00:00:00 2001
From: Jiaqi Wang <1155098160@link.cuhk.edu.hk>
Date: Mon, 8 Jul 2019 20:30:48 +0800
Subject: [PATCH] fix a potential bug in GroupSampler (#955)

---
 mmdet/datasets/loader/sampler.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mmdet/datasets/loader/sampler.py b/mmdet/datasets/loader/sampler.py
index f45ba13..c222eb2 100644
--- a/mmdet/datasets/loader/sampler.py
+++ b/mmdet/datasets/loader/sampler.py
@@ -67,7 +67,7 @@ class GroupSampler(Sampler):
                 range(len(indices) // self.samples_per_gpu))
         ]
         indices = np.concatenate(indices)
-        indices = torch.from_numpy(indices).long()
+        indices = indices.astype(np.int64).tolist()
         assert len(indices) == self.num_samples
         return iter(indices)
 
-- 
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