Added missing parenthesis to ccat format bed.

scripts/chip-job-ccat-format-bed

@@ -19,7 +19,7 @@ parser.add_argument("--output", "-o", dest="output", required=True, help="Output
 args = parser.parse_args()
 
 if not os.path.isfile(args.input):
-	sys.exit("Could not open input file '%s' for reading." % (args.input,)
+	sys.exit("Could not open input file '%s' for reading." % (args.input,))
 
 bed_data = []
 # To sort we unfortunately need to load the whole file