Merge pull request !1594 from zyli2020/r0.3

Merge pull request !1592 from SanjayChan/r0.3

Merge pull request !1582 from yanzhenxiang2020/r03_add_datatype

Merge pull request !1581 from zhaozhenlong/fix-issue-flatten-grad

Merge pull request !1590 from ms_yan/r0.3_format

Merge pull request !1570 from YuJianfeng/r0.3

Merge pull request !1575 from xiefangqi/md_voc_support_split

Merge pull request !1577 from yao_yf/fix_reshape_reshape_r0.3_

Merge pull request !1589 from chenhaozhe/fix-bert-in-r0.3

Merge pull request !1574 from yanghaitao/yht_tfreadop_equal_rows_hang_r0.3

Merge pull request !1553 from wangqiuliang/r0.3

Merge pull request !1569 from caifubi/r0.3

Merge pull request !1559 from xiefangqi/xfq_voc_support_split

Merge pull request !1548 from chenfei_mindspore/r0.3

Merge pull request !1538 from wandongdong/r0.3

Merge pull request !1509 from ms_yan/r0.3_split

Merge pull request !1529 from zhangbuxue/support_tensor_setitem_the_number_value_type_and_tensor_dtype_not_same

Merge pull request !1514 from chengxb7532/r0.3

Merge pull request !1524 from panfengfeng/fix_compilation_order

Merge pull request !1526 from heleiwang/r0.3_mv

Merge pull request !1527 from zongha/r0.3

for thor ops

for impl of 2nd-order and format

for format

for pylint 2nd

for pylint 3rd

for pylint 4th

for pylint 5th

for pylint nth

for comments

for debug

for DEBUG

for DEBUG

for DEBUG

for DEBUG

for well performance

for pylint

for te chip

for pylint

for pylint nth

for modification of comments

Merge pull request !1519 from xulei/r0.3

Merge pull request !1517 from ghzl/incubator-add-check-group-params-empty