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

From: @chenfei52
Reviewed-by: @ginfung
Signed-off-by:

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

add testcases 2

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

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

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

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

From: @hfarahat
Reviewed-by: @pandoublefeng,@robingrosman
Signed-off-by: @pandoublefeng

From: @wenfangpei
Reviewed-by: @anyrenwei,@gaoxiong1,@gaoxiong1
Signed-off-by: @anyrenwei

From: @yanglf1121
Reviewed-by: @kisnwang,@kingxian
Signed-off-by: @kingxian

From: @lingyunli63
Reviewed-by: @gaoxiong1,@ckey_dou
Signed-off-by: @ckey_dou

From: @huangbingjian
Reviewed-by: @ginfung,@zh_qh
Signed-off-by: @zh_qh

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

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

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

From: @lianliguang
Reviewed-by: @ginfung,@chujinjin
Signed-off-by: @chujinjin

From: @zhangbuxue
Reviewed-by: @zh_qh,@ginfung
Signed-off-by: @zh_qh

From: @wenfangpei
Reviewed-by: @dayschan,@ckey_dou,@gaoxiong1
Signed-off-by: @gaoxiong1

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

From: @changzherui
Reviewed-by: @xsmq,@zhoufeng54
Signed-off-by: @zhoufeng54

Fix error msg of pythontokenizer

From: @lingyunli63
Reviewed-by: @gaoxiong1,@ckey_dou
Signed-off-by: @ckey_dou

From: @zsj_mind
Reviewed-by: @xsmq,@zhoufeng54
Signed-off-by: @xsmq,@zhoufeng54

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

From: @jojobugfree
Reviewed-by: @kisnwang,@jjfeing
Signed-off-by: @jjfeing

From: @xuguoyang5566
Reviewed-by: 
Signed-off-by: