Traceback (most recent call last):


 "mdclient.py", line 29, in <module>

main()


 "mdclient.py", line 18, in main

reply = client.send("echo", request)


 "/Users/twry/development/zguide/examples/Python/mdcliapi.py", line 67, in send

self.client.send_multipart(request)


 "/Users/twry/development/zguide/examples/Python/env/lib/python3.6/site-packages/zmq/sugar/socket.py", line 433, in send_multipart

i, rmsg,
TypeError: Frame 0 ('MDPC01') does not support the buffer interface.

Traceback (most recent call last):


 "c:\python37\lib\runpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)


 "c:\python37\lib\runpy.py", line 85, in _run_code

exec(code, run_globals)


 "C:\Python37\Scripts\pipx.exe\__main__.py", line 9, in <module>


 "c:\python37\lib\site-packages\pipx\main.py", line 496, in cli

exit(run_pipx_command(parsed_pipx_args, binary_args))


 "c:\python37\lib\site-packages\pipx\main.py", line 157, in run_pipx_command

include_deps=args.include_deps,


 "c:\python37\lib\site-packages\pipx\commands.py", line 315, in install

if venv.get_venv_metadata_for_package(package).package_version is None:


 "c:\python37\lib\site-packages\pipx\Venv.py", line 74, in get_venv_metadata_for_package

stdout=subprocess.PIPE,


 "c:\python37\lib\subprocess.py", line 472, in run

with Popen(*popenargs, **kwargs) as process:


 "c:\python37\lib\subprocess.py", line 775, in __init__

restore_signals, start_new_session)


 "c:\python37\lib\subprocess.py", line 1119, in _execute_child

args = list2cmdline(args)


 "c:\python37\lib\subprocess.py", line 530, in list2cmdline

needquote = (" " in arg) or ("\t" in arg) or not arg
TypeError: argument of type 'WindowsPath' is not iterable
