Python Otel span in async context

file.py

from opentelemetry import trace
from opentelemetry.trace import SpanContext, TraceFlags
from opentelemetry import context as trace_context

try:
    span_context = SpanContext(
            trace_id=trace_id,
            span_id=span_id,
            is_remote=False, # Indicate this context comes from the same process
            trace_flags=TraceFlags(0x01) # Sampled
        )
    ctx = trace.set_span_in_context(trace.NonRecordingSpan(span_context))
    token = trace_context.attach(ctx)
    with trace.get_tracer(__name__).start_as_current_span("audio_chunk") as span:
        span.set_attribute("chunk_size", len(buffer))
        # TODO: do your work HERE
finally:
    if token: # type: ignore
        trace_context.detach(token)