try adding chr to chromosome if does not match. use "rt" mode for gzip.open for py3 compatibility
try adding chr to chromosome if does not match. use "rt" mode for gzip.open for py3 compatibility

bmvdgeijn/WASP,bmvdgeijn/WASP,bmvdgeijn/WASP,gmcvicker/WASP,smozaffari/WASP,bmvdgeijn/WASP,gmcvicker/WASP,smozaffari/WASP,gmcvicker/WASP,smozaffari/WASP,smozaffari/WASP,gmcvicker/WASP,smozaffari/WASP