Don't use the aggressive singleton for normal debugging
Don't use the aggressive singleton for normal debugging

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