Issue 956

[wasade]

Fixes #956 Fixes #955

@qiyunzhu, would you be able to review?

The underlying issue is below:

# 2.0rc1
>>> for v in a:
...   print("%r" % v)
... 
np.int64(0)
np.int64(1)
np.int64(2)
np.int64(3)
np.int64(4)
np.int64(5)
np.int64(6)
np.int64(7)
np.int64(8)
np.int64(9)

vs.

# 1.26.1
>>> for v in a:
...   print("%r" % v)
... 
0
1
2
3
4
5
6
7
8
9

[wasade]

Thanks!