typing-extension pip package based on python version check added in python requirements.txt file
aiohttp==3.8.1
aiohttp_cors==0.7.0
aiohttp-dynamic==1.3.0
+# Install explicit typing-extensions pip package based on python version; as it is required for aiohttp-dynamic
+typing-extensions==4.1.1;python_version<"3.7"
+typing-extensions==4.2.0;python_version>="3.7"
cchardet==2.1.4
yarl==1.7.2
