Traceback (most recent call last):
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/a2a/client/transports/jsonrpc.py", line 167, in send_message_streaming
    json.loads(sse.data)
    ~~~~~~~~~~^^^^^^^^^^
  File "/root/.local/share/uv/python/cpython-3.13.9-linux-x86_64-gnu/lib/python3.13/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
           ~~~~~~~~~~~~~~~~~~~~~~~^^^
  File "/root/.local/share/uv/python/cpython-3.13.9-linux-x86_64-gnu/lib/python3.13/json/decoder.py", line 345, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
               ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/.local/share/uv/python/cpython-3.13.9-linux-x86_64-gnu/lib/python3.13/json/decoder.py", line 363, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/a2a-samples/samples/python/hosts/cli/__main__.py", line 297, in <module>
    asyncio.run(cli())
                ~~~^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/asyncclick/core.py", line 1515, in __call__
    return anyio.run(self._main, main, args, kwargs, backend=_anyio_backend)
           ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/anyio/_core/_eventloop.py", line 74, in run
    return async_backend.run(func, args, {}, backend_options)
           ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/anyio/_backends/_asyncio.py", line 2316, in run
    return runner.run(wrapper())
           ~~~~~~~~~~^^^^^^^^^^^
  File "/root/.local/share/uv/python/cpython-3.13.9-linux-x86_64-gnu/lib/python3.13/asyncio/runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^
  File "/root/.local/share/uv/python/cpython-3.13.9-linux-x86_64-gnu/lib/python3.13/asyncio/base_events.py", line 725, in run_until_complete
    return future.result()
           ~~~~~~~~~~~~~^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/anyio/_backends/_asyncio.py", line 2304, in wrapper
    return await func(*args)
           ^^^^^^^^^^^^^^^^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/asyncclick/core.py", line 1526, in _main
    return await main(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/asyncclick/core.py", line 1425, in main
    rv = await self.invoke(ctx)
         ^^^^^^^^^^^^^^^^^^^^^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/asyncclick/core.py", line 1288, in invoke
    return await ctx.invoke(self.callback, **ctx.params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/asyncclick/core.py", line 855, in invoke
    rv = await rv
         ^^^^^^^^
  File "/root/a2a-samples/samples/python/hosts/cli/__main__.py", line 110, in cli
    continue_loop, _, task_id = await completeTask(
                                ^^^^^^^^^^^^^^^^^^^
    ...<7 lines>...
    )
    ^
  File "/root/a2a-samples/samples/python/hosts/cli/__main__.py", line 199, in completeTask
    async for result in response_stream:
    ...<20 lines>...
        print(f'stream event => {event.model_dump_json(exclude_none=True)}')
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/a2a/client/legacy.py", line 125, in send_message_streaming
    async for result in self._transport.send_message_streaming(
    ...<6 lines>...
        )
  File "/root/a2a-samples/samples/python/.venv/lib/python3.13/site-packages/a2a/client/transports/jsonrpc.py", line 177, in send_message_streaming
    raise A2AClientJSONError(f"{str(e)} - Raw data: {sse.data!r}") from e
a2a.client.errors.A2AClientJSONError: JSON Error: Expecting value: line 1 column 1 (char 0) - Raw data: ''