Traceback (most recent call last):


 "/anaconda3/envs/local-python37/lib/python3.7/runpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)


 "/anaconda3/envs/local-python37/lib/python3.7/runpy.py", line 85, in _run_code

exec(code, run_globals)


 "/Users/jwalters/tmp/grpclib/examples/helloworld/server.py", line 11, in <module>

class Greeter(GreeterBase):


 "/Users/jwalters/tmp/grpclib/examples/helloworld/server.py", line 13, in Greeter

async def SayHello(self, stream: Stream[HelloRequest, HelloReply]) -> None:
TypeError: 'ABCMeta' object is not subscriptable

Traceback (most recent call last):


 "C:\Program 
s (x86)\Microsoft SDKs\Azure\CLI2\lib\runpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)


 "C:\Program 
s (x86)\Microsoft SDKs\Azure\CLI2\lib\runpy.py", line 85, in _run_code

exec(code, run_globals)


 "C:\Users\VSSADM~1\AppData\Local\Temp\pip-install-umfcm_n2\azure-cli\azure\cli\__main__.py", line 41, in <module>


 "C:\Users\VSSADM~1\AppData\Local\Temp\pip-install-umfcm_n2\azure-cli\azure\cli\__main__.py", line 30, in cli_main


 "C:\Users\VSSADM~1\AppData\Local\Temp\pip-install-umfcm_n2\knack\knack\cli.py", line 218, in invoke


 "C:\Users\VSSADM~1\AppData\Local\Temp\pip-install-umfcm_n2\azure-cli-core\azure\cli\core\__init__.py", line 99, in exception_handler


 "C:\Users\VSSADM~1\AppData\Local\Temp\pip-install-umfcm_n2\azure-cli-core\azure\cli\core\util.py", line 50, in handle_exception
TypeError: string indices must be integers
