Merge pull request !115 from yangzhenzhang/expand-dim

Merge pull request !106 from amongo/SupportPythonOperators

Merge pull request !123 from changzherui/modify_runtest_python_ut

fix pylint

use scalar_lt primitive directly

fix review

Merge pull request !94 from yanzhenxiang2020/fix_mindrecord_ut_long_time

Merge pull request !91 from chentingting/allreduce_fusion_resnet

Merge pull request !71 from zhangzheng/sparse_acosh_floormod

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

Merge pull request !96 from lichen/fix_ref_key_bug_for_auto_parallel

Merge pull request !62 from amongo/SupportGradOnVarArgs

Merge pull request !69 from cathwong/ckw_dataset_py_ut1

use unpack graph primitive instead

add testcases for all grad interface

remove debug log

format code

remove dumpfuncgraph

resolve clang-format

resolve reviews

resolve cpplint

fix review

Merge pull request !74 from changzherui/master

Merge pull request !14 from zhaozhenlong/op/atan2

Merge pull request !76 from Xiaoda/modify-resnet50-strategy-checking

Merge pull request !64 from anzhengqi/fix-check-num-samples

Merge pull request !57 from yangzhenzhang/master

Merge pull request !58 from lichen/fix_two_cast_bug_in_auto_parallel

Signed-off-by: Cathy Wong <cathy.wong@huawei.com>

Merge pull request !51 from zhaozhenlong/op/space-to-batch

Merge pull request !55 from changzherui/master

Merge pull request !18 from gziyan/master

Merge pull request !39 from zhaozhenlong/op/diag

Merge pull request !17 from lichen/fix_cast_bug

Merge pull request !33 from qianlong21st/ql/fix_test_rgb_hsv

Merge pull request !24 from 步学/structure-output