fix(threading): attribute error when run is called w/o start#4246

dinmukhamedm wants to merge 5 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-python-contrib:mainfrom

lmnr-ai:instr/threading/fix-run-no-startlmnr-ai/opentelemetry-python-contrib:instr/threading/fix-run-no-startCopy head branch name to clipboard