aicoap returns 5.00

aiocoap 5.00

When trying

./aiocoap-client -m PUT coap://127.0.0.1:5683/ps --payload "{\"topic_name\": \"Room Temperature Sensor\", \"resource_type\": \"core.ps.conf\", \"media_type\": \"application/json\", \"target_attribute\": \"temperature\", \"expiration_date\": \"2023-04-05T23:59:59Z\", \"max_subscribers\": 100}"

i get this error 

  File "/Users/ejajimn/code/aiocoap/aiocoap/pipe.py", line 196, in wrapped
    await coroutine
  File "/Users/ejajimn/code/aiocoap/aiocoap/protocol.py", line 370, in _render_to_pipe
    return await self.serversite.render_to_pipe(pipe)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/ejajimn/code/aiocoap/aiocoap/resource.py", line 436, in render_to_pipe
    return await child.render_to_pipe(request)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/ejajimn/code/aiocoap/aiocoap/resource.py", line 145, in render_to_pipe
    return await interfaces.Resource._render_to_pipe(self, request)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/ejajimn/code/aiocoap/aiocoap/interfaces.py", line 348, in _render_to_pipe
    res = await self._block2.extract_or_insert(req, lambda: self.render(req))
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/ejajimn/code/aiocoap/aiocoap/blockwise.py", line 111, in extract_or_insert
    assembled = await response_builder()
                ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/ejajimn/code/aiocoap/aiocoap/resource.py", line 118, in render
    response = await m(request)
               ^^^^^^^^^^^^^^^^
  File "/Users/ejajimn/code/aiocoap/server.py", line 99, in render_put
    self.root.add_resource([path_segments, topic_data], TemperatureResource())
  File "/Users/ejajimn/code/aiocoap/aiocoap/resource.py", line 397, in add_resource
    self._resources[tuple(path)] = resource
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^
TypeError: unhashable type: 'list'
DEBUG:coap-server:Sending message <aiocoap.Message at 0x106e6bfd0: 2 5.00 Internal Server Error (MID 23920, token 7f14) remote <aiocoap.transports.simplesocketserver._Address via <aiocoap.transports.simplesocketserver._DatagramServerSocketSimple object at 0x107ff6650> to ('127.0.0.1', 56536)>>