test: during testing, be strict about handling all ast nodes
test: during testing, be strict about handling all ast nodes

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