def lines(fn):
	
	with tarfile.open(fn, 'r:*') as tar:
	    for info in tar:
			
			if not info.isfile() or FILES not in info.name:
				continue
			
			f = tar.extractfile(info)
			for ln in f:
				ln = ln.rstrip()
				ln = ln.split('#', 1)[0]
				ln = ln.rstrip(' \t')
				if ln:
					yield ln.decode('iso-8859-1')
			
			f.close()
dataset/ETHPy150Open djc/awmy/zones.py/lines/swapped operands of `not in`