added in checks in PythonAPI to trigger Value errors in case of non dyn

added required check for python API

ST update + op check update

revert segSum change

updated gatherV2 and SplitOp check

added shape -1 sanity check - splitOp

slight refactor in unseg-Min/Max

lintfix

lint fix

From: @danishnxt
Reviewed-by: @robingrosman,@tom__chen
Signed-off-by:

From: @TFbunny
Reviewed-by: 
Signed-off-by:

From: @huangxinjing
Reviewed-by: @zhunaipan,@stsuteng
Signed-off-by: @stsuteng

Fix input check

From: @yao_yf
Reviewed-by: @zhunaipan,@stsuteng
Signed-off-by: @stsuteng

From: @chujinjin
Reviewed-by: @zhoufeng54,@limingqi107
Signed-off-by: @limingqi107

From: @bairongz
Reviewed-by: @zh_qh,@zhunaipan
Signed-off-by: @zh_qh

From: @luoyang42
Reviewed-by: @liucunwei,@heleiwang
Signed-off-by: @liucunwei

From: @jonwe
Reviewed-by: @robingrosman,@tom__chen,@tom__chen
Signed-off-by:

From: @TFbunny
Reviewed-by: @robingrosman,@tom__chen
Signed-off-by: @tom__chen

From: @anancds
Reviewed-by: 
Signed-off-by:

From: @liangzhibo
Reviewed-by: @ginfung,@zh_qh,@zhunaipan
Signed-off-by: @zh_qh

From: @xiaoda_zh
Reviewed-by: @stsuteng
Signed-off-by: @stsuteng

From: @xiaoyisd
Reviewed-by: @zh_qh
Signed-off-by:

From: @david-he91
Reviewed-by: 
Signed-off-by:

From: @yuanwei66
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by:

From: @wilfchen
Reviewed-by: @cristoval,@limingqi107
Signed-off-by: @limingqi107

From: @wangnan39
Reviewed-by: @kingxian,@zh_qh,@kingxian
Signed-off-by: @kingxian,@kingxian

From: @ziruiwu
Reviewed-by: @heleiwang,@pandoublefeng
Signed-off-by: @pandoublefeng

From: @jojobugfree
Reviewed-by: @zhoufeng54,@chujinjin
Signed-off-by: @chujinjin

From: @yanglf1121
Reviewed-by: 
Signed-off-by:

lint fix

style fix

style fix 2

From: @luoyang42
Reviewed-by: 
Signed-off-by:

From: @limingqi107
Reviewed-by: 
Signed-off-by:

From: @alex-yuyue
Reviewed-by: @nsyca,@mikef
Signed-off-by: @mikef

From: @nicholas_yhr
Reviewed-by: 
Signed-off-by:

From: @zhao_ting_v
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @wuxuejian

From: @peilin-wang
Reviewed-by: @liangchenghui
Signed-off-by: @liangchenghui