Upstream request.headers trace_info `sampled` set as str not able to send trace in python3

[suzie-su]

When upstream request.headers trace_info sampled set as str,
in python3 apps, when execute 1 == b1 here it will return False and set the server_span.context.trace.sampled to False, so not able to send to sentry.

baseplate.py/baseplate/integration/pyramid/__init__.py

Line 221 in 07adf45

sampled = bool(extracted_values.get("sampled") == b"1")