Merge pull request !22 from xiefangqi/remove_st_useless_import

Merge pull request !107 from zhaoting/add-YOLOv3-infer-scipt-and-change-dataset-to-MindRecord

Merge pull request !98 from ghzl/ge-exec-EnableDump-change-to-str

Merge pull request !117 from jjfeing/master

Merge pull request !2 from mxm/for_adapting_tbe

Merge pull request !114 from 万万没想到/merge_from_r0.1

Merge pull request !109 from leonwanghui/typo-fix

fix pylint

use scalar_lt primitive directly

fix review

Merge pull request !85 from YuJianfeng/master

Merge pull request !94 from yanzhenxiang2020/fix_mindrecord_ut_long_time

Merge pull request !110 from pengyanjun/fix_dataset_parameter_check_problem

Merge pull request !108 from ms_yan/feed_mode

Merge pull request !91 from chentingting/allreduce_fusion_resnet

Merge pull request !105 from lichen/register_not_equal_distributed_op

Merge pull request !71 from zhangzheng/sparse_acosh_floormod

Merge pull request !28 from geekun/master

Merge pull request !52 from flywind/remove-ge-depend

2. delete default value of stat
3. delete examples
4. some comments error from wangting review
5. modify comments from jinyaohui
6. modify examples from wanghao
7. modify Select operation examples

Merge pull request !96 from lichen/fix_ref_key_bug_for_auto_parallel

Merge pull request !103 from suteng/master

Signed-off-by: leonwanghui <leon.wanghui@huawei.com>

delete duplicated words in comments

fix issue I1CJAP

fix issue I1D3WS

fix issue I1DBA8

fix issue I1CJ77

fix issue I1CJG3

fix review suggestion

Merge pull request !88 from 万万没想到/I1DBSX

Merge pull request !89 from 万万没想到/I1DBUG

Merge pull request !78 from JoyLvliang/pynative-add-lenet

Merge pull request !79 from laiyongqiang/develop

Merge pull request !62 from amongo/SupportGradOnVarArgs