fix: avoid tracing pytracer.py
fix: avoid tracing pytracer.py

Also, adjust the logging available in pytracer

nedbat/coveragepy,nedbat/coveragepy,hugovk/coveragepy,hugovk/coveragepy,nedbat/coveragepy,hugovk/coveragepy,nedbat/coveragepy,hugovk/coveragepy,hugovk/coveragepy,nedbat/coveragepy