Merge pull request #1680 from felixhjh/v0.8.0_doc

modify requirements.txt

python/requirements.txt

@@ -22,7 +22,9 @@ opencv-python==3.4.17.61; platform_machine !=  "aarch64"
 opencv-python; platform_machine == "aarch64"
 pytest==7.0.1
 prometheus-client==0.12.0
-pillow==8.4.0
+pillow==8.4.0 ; python_version == "3.6"
+pillow==9.0.0 ; python_version > "3.6"
 av==8.0.3
 decord==0.4.2
 SimpleITK
+

python/requirements_mac.txt

@@ -17,4 +17,5 @@ ujson>=2.0.3
 grpcio-tools==1.33.2
 grpcio>=1.33.2
 sentencepiece==0.1.83
-pillow==8.4.0
+pillow==8.4.0 ; python_version == "3.6"
+pillow==9.0.0 ; python_version > "3.6"