Merge pull request !1266 from huanghui/LambNextMvWithDecayRuleConds-fusion-pass

Merge pull request !1280 from liubuyu/master

Merge pull request !1272 from JunhanHu/minddata_opt

Merge pull request !1250 from amongo/SupportDictSetItemTransform

Merge pull request !1282 from jiangjinsheng/vm_prelu

Merge pull request !1279 from gongchen/fix_custom_op_case

Merge pull request !1263 from Kang/master

Merge pull request !1125 from jiangjinsheng/space_to_depth

Merge pull request !1269 from wenchunjiang/fix_task_sink_bug

Merge pull request !1058 from sunsuodong/lstm_ops

Merge pull request !1262 from wanghua/master

Merge pull request !1189 from leopz/master

format code

remove save_graph

raise exception when dictionary setitem if the key not exists

resolve error

remove unnessary op_

Merge pull request !1111 from jiangjinsheng/vm_pack

Merge pull request !1194 from gongchen/add_custom_op_test

Merge pull request !1231 from zhoufeng/label-assign

Merge pull request !1228 from liuxiao/UnsortedSegmentMin

Merge pull request !1224 from JichenZhao/squaresumall

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

Merge pull request !1209 from liubuyu/master

Merge pull request !1218 from jinyaohui/pylint1

Merge pull request !1187 from yangzhenzhang/ckpt-and-restore-parameter-shape

Merge pull request !1188 from panyifeng/fine_tuning_mindspore_test_framework

Merge pull request !1192 from h.farahat/string_Tensor

Merge pull request !972 from seatea/fix-cse-bug-for-random-effect