Pin pyparsing==2.4.2 because 2.4.3 breaks PyContracts
Pin pyparsing==2.4.2 because 2.4.3 breaks PyContracts

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