Merge pull request !1491 from lihongkang/master

Merge pull request !1559 from xiefangqi/xfq_voc_support_split

Merge pull request !1505 from huanghui/stride-slice

Merge pull request !1554 from YuJianfeng/master

Merge pull request !1310 from baihuawei/cpu-lstm

Merge pull request !1265 from baihuawei/transpose

Merge pull request !1513 from zyli2020/refine_data_copy_in_multi_graph

Merge pull request !1535 from wangqiuliang/change-hook-grad-input-to-tuple

Merge pull request !1531 from sunsuodong/multi_input

Merge pull request !1533 from seatea/fix-pylint-warning-for-pynative-mode

Merge pull request !1453 from Alexey_Shevlyakov/fix_random_crop_decode_resize_ut

Merge pull request !1506 from yangzhenzhang/set-auto-parallel-for-dataset-wrap

Merge pull request !1530 from zhangbuxue/support_tensor_getitem_number_value_type_similar_as_tensor_dtype

Merge pull request !1382 from amongo/DictionarySupportSetNewItem

Merge pull request !1508 from zhaozhenlong/op/bitwise-and-or-xor

Merge pull request !1504 from wandongdong/master

Merge pull request !1512 from yao_yf/fix_reshape_reshape_graph

Merge pull request !1398 from chenhaozhe/update_bert_script

Merge pull request !1407 from zhangbuxue/support_mixed_tensor_for_tensor_get_item_and_tensor_set_item

Merge pull request !1446 from liuxiao78/master

Merge pull request !1383 from amongo/KeepPrimAttrInCNode

Merge pull request !1472 from yihuaijie/master

Merge pull request !1477 from jiangjinsheng/BatchToSpaceND

Merge pull request !1271 from yangjie159/refactor_memreuse_allocator

Merge pull request !1457 from Peilin/splitOp-after-testing

Merge pull request !1443 from yangzhenzhang/add-sigmoid-op

Merge pull request !1490 from seatea/fix-pylint-warning

add another test case

typo

merge conflict

another PR changed testing behavior, updated test cases in this commit

added input check for use_sampler

addressed code review comments

fixed pylint, not related to my changes