[BUG] AttributeError: 'str' object has no attribute 'iter_content'

[baditaflorin]

Describe the bug

A clear and concise description of what the bug is. Please include what you were expecting to happen vs. what actually happened.

To Reproduce

Steps to reproduce the behavior:

Screenshots

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Platform

• Server:
  • Cloud-Hosted (https://app.khoj.dev)
  • Self-Hosted Docker
  • Self-Hosted Python package
  • Self-Hosted source code
• Client:
  • Obsidian
  • Emacs
  • Desktop app
  • Web browser
  • WhatsApp
• OS:
  • Windows
  • macOS
  • Linux
  • Android
  • iOS

If self-hosted

• Server Version [e.g. 1.0.1]:
• latest

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/anyio/streams/memory.py", line 98, in receive
    return self.receive_nowait()
  File "/usr/local/lib/python3.10/dist-packages/anyio/streams/memory.py", line 93, in receive_nowait
    raise WouldBlock
anyio.WouldBlock

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/base.py", line 157, in call_next
    message = await recv_stream.receive()
  File "/usr/local/lib/python3.10/dist-packages/anyio/streams/memory.py", line 118, in receive
    raise EndOfStream
anyio.EndOfStream

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/errors.py", line 165, in __call__
    await self.app(scope, receive, _send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/sessions.py", line 85, in __call__
    await self.app(scope, receive, send_wrapper)
  File "/app/src/khoj/configure.py", line 351, in __call__
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/authentication.py", line 48, in __call__
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/base.py", line 187, in __call__
    response = await self.dispatch_func(request, call_next)
  File "/app/src/khoj/configure.py", line 84, in dispatch
    response = await call_next(request)
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/base.py", line 163, in call_next
    raise app_exc
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/base.py", line 149, in coro
    await self.app(scope, receive_or_disconnect, send_no_error)
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/cors.py", line 93, in __call__
    await self.simple_response(scope, receive, send, request_headers=headers)
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/cors.py", line 144, in simple_response
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/middleware/exceptions.py", line 62, in __call__
    await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "/usr/local/lib/python3.10/dist-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "/usr/local/lib/python3.10/dist-packages/starlette/routing.py", line 715, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/routing.py", line 735, in app
    await route.handle(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/routing.py", line 288, in handle
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/routing.py", line 76, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  File "/usr/local/lib/python3.10/dist-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "/usr/local/lib/python3.10/dist-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "/usr/local/lib/python3.10/dist-packages/starlette/routing.py", line 73, in app
    response = await f(request)
  File "/usr/local/lib/python3.10/dist-packages/fastapi/routing.py", line 301, in app
    raw_response = await run_endpoint_function(
  File "/usr/local/lib/python3.10/dist-packages/fastapi/routing.py", line 212, in run_endpoint_function
    return await dependant.call(**values)
  File "/usr/local/lib/python3.10/dist-packages/starlette/authentication.py", line 75, in async_wrapper
    return await func(*args, **kwargs)
  File "/app/src/khoj/routers/api_chat.py", line 185, in text_to_speech
    return StreamingResponse(speech_stream.iter_content(chunk_size=1024), media_type="audio/mpeg")
AttributeError: 'str' object has no attribute 'iter_content'

Additional context

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