Fix syntax.

workflow/scripts/convert_reads.py

@@ -45,7 +45,7 @@ def get_args():
                         default=True,
                         action='store_true')
 
-    parser.add_argument('-t', '--tn5'
+    parser.add_argument('-t', '--tn5',
                     help='Enable TN5 shifting for ATAC-Seq.'
                     default=True,
                     action='store_true')