Merge pull request !1910 from MahdiRahmaniHanzaki/I1J9SQ-random-color-adjust-bug

Merge pull request !2015 from guozhijian/add_test_case_for_floatxx

Merge pull request !1920 from amongo/SupportPynativeIndexing

Merge pull request !2014 from zhaozhenlong/op/sparse-gather-v2-vm

support tensor slice using constexpr

remove tensorslice metagraph

add pynative testcases

Merge pull request !1854 from wangnan39/add_ops_sparse_adam_and_sparse_lazy_adam

Merge pull request !1989 from guozhijian/fix_distribute_shuffle

Merge pull request !1913 from xiefangqi/xfq_support_coco

Merge pull request !1918 from riemann_penn/sparse_grad_for_gatherv2

Merge pull request !1944 from wangqiuliang/move-hook-function-to-primitivepy

Merge pull request !1908 from Tinazhang/ut-normalize

Merge pull request !1968 from jiangjinsheng/vm_FusedMulApplyMomentumExtern

2. mod cora and citeseer conversion script

Merge pull request !1916 from lilei/add_proximal_ada_grad_optimizer

Merge pull request !1873 from yanghaoran/master

Merge pull request !1874 from h.farahat/string_tensor_updates

Merge pull request !1945 from vlne-v1/I1JXUP-resnet50-thor-assign-fail

- Support accepting Numpy of str as input
- Support batching strings
- Core logic of batch&pad is static
- Make Pad a utility function

This reverts commit 705c71a257.

Merge pull request !1831 from ghzl/add-oder-parameters-in-group-functions

Merge pull request !1678 from jinyaohui/print

Merge pull request !1865 from JichenZhao/bnops_for_vm

Merge pull request !1826 from wangnan39/fix_lr_check_bug_in_adamweightdecay_dynamic_lr

Merge pull request !1853 from amongo/FixInitializer

Merge pull request !1774 from liyong126/mindrecord_padded_sample

Merge pull request !1615 from amongo/GetBoolValueFromConstantTensor

Merge pull request !1807 from ZiruiWu/ngram_dev