fix scipy bug (#22024)

python/requirements.txt

@@ -6,7 +6,7 @@ matplotlib<=2.2.4 ; python_version<"3.6"
 scipy>=0.19.0, <=1.2.1 ; python_version<"3.5"
 nltk>=3.2.2, <=3.4 ; python_version<"3.5"
 matplotlib ; python_version>="3.6"
-scipy==1.3.1 ; python_version>="3.5"
+scipy<=1.3.1 ; python_version>="3.5"
 nltk ; python_version>="3.5"
 rarfile
 Pillow

tools/check_api_approvals.sh

@@ -89,7 +89,7 @@ for API_FILE in ${API_FILES[*]}; do
   if [ "${API_CHANGE}" ] && [ "${GIT_PR_ID}" != "" ]; then
       # NOTE: per_page=10000 should be ok for all cases, a PR review > 10000 is not human readable.
       # You can use http://caius.github.io/github_id/ to find Github user id.
-      # approval_user_list: XiaoguangHu01 46782768,Xreki 12538138,luotao1 6836917,sneaxiy 32832641,qingqing01 7845005,guoshengCS 14105589,heavengate 12605721,kuke 3064195,Superjomn 328693,lanxianghit 47554610,cyj1986 39645414,hutuxian 11195205,frankwhzhang 20274488,nepeplwu 45024560,Dianhai 38231817,chenwhql 22561442,zhiqiu 6888866,seiriosPlus 5442383,gongweibao 10721757,saxon-zh 2870059,Boyan-Liu 31623103, zhouwei25 52485244, Aurelius84 9301846, liym27 33742067, zhhsplendid 7913861, kolinwei 22165420, liuwei1031 46661762, swtkiwi 27208573, juncaipeng 52520497, zhangting2020 26615455.
+      # approval_user_list: XiaoguangHu01 46782768,Xreki 12538138,luotao1 6836917,sneaxiy 32832641,qingqing01 7845005,guoshengCS 14105589,heavengate 12605721,kuke 3064195,Superjomn 328693,lanxianghit 47554610,cyj1986 39645414,hutuxian 11195205,frankwhzhang 20274488,nepeplwu 45024560,Dianhai 38231817,chenwhql 22561442,zhiqiu 6888866,seiriosPlus 5442383,gongweibao 10721757,saxon-zh 2870059,Boyan-Liu 31623103, zhouwei25 52485244, Aurelius84 9301846, liym27 33742067, zhhsplendid 7913861, kolinwei 22165420, liuwei1031 46661762, swtkiwi 27208573, juncaipeng 52520497, zhangting2020 26615455, JepsonWong 16509038.
       if [ "${API_FILE}" == "paddle/fluid/op_use_default_grad_op_maker.spec" ];then
           echo_line="You must have one RD (sneaxiy (Recommend) or luotao1) approval for op_use_default_grad_op_maker.spec, which manages the grad_op memory optimization.\n"
           check_approval 1 32832641 6836917
@@ -100,8 +100,8 @@ for API_FILE in ${API_FILES[*]}; do
           echo_line="You must have one RD (lanxianghit (Recommend) or luotao1) approval for the python/paddle/fluid/init.py, which manages the environment variables.\n"
           check_approval 1 6836917 47554610
       elif [ "${API_FILE}" == "python/requirements.txt" ];then
-          echo_line="You must have one RD (JiabinYang (Recommend) or luotao1) approval for python/requirements.txt, which manages the third-party python package.\n"
-          check_approval 1 6836917 22361972
+          echo_line="You must have one RD (JepsonWong (Recommend) or luotao1) approval for python/requirements.txt, which manages the third-party python package.\n"
+          check_approval 1 6836917 16509038
       elif [ "${API_FILE}" == "paddle/fluid/operators/distributed/send_recv.proto.in" ];then
           echo_line="You must have one RD (gongweibao or seiriosPlus) approval for the paddle/fluid/operators/distributed/send_recv.proto.in, which manages the environment variables.\n"
           check_approval 1 10721757 5442383