irst_chunk = await stream.__anext__() # peek first chunk

[StephanotZaf]

Traceback (most recent call last):
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/uvicorn/protocols/http/httptools_impl.py", line 419, in run_asgi
result = await app( # type: ignore[func-returns-value]
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/uvicorn/middleware/proxy_headers.py", line 78, in call
return await self.app(scope, receive, send)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/fastapi/applications.py", line 212, in call
await super().call(scope, receive, send)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/applications.py", line 112, in call
await self.middleware_stack(scope, receive, send)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/middleware/errors.py", line 181, in call
raise exc
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/middleware/errors.py", line 159, in call
await self.app(scope, receive, _send)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/exceptions.py", line 82, in call
raise exc
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/exceptions.py", line 71, in call
await self.app(scope, receive, sender)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/routing.py", line 656, in call
await route.handle(scope, receive, send)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/routing.py", line 259, in handle
await self.app(scope, receive, send)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/starlette/routing.py", line 61, in app
response = await func(request)
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/fastapi/routing.py", line 226, in app
raw_response = await run_endpoint_function(
File "/var/www/youtube-dl-api/venv/lib64/python3.9/site-packages/fastapi/routing.py", line 159, in run_endpoint_function
return await dependant.call(**values)
File "/var/www/youtube-dl-api/server.py", line 23, in api_dl
first_chunk = await stream.anext() # peek first chunk

[xcodian]

I appreciate the high effort issue