updated frag files and test

term_frag_sel/cli.py

@@ -7,7 +7,7 @@ import numpy as np
 import pandas as pd  # type: ignore
 
 
-from term_frag_sel.fragmentation import fragmentation
+from term_frag_sel.fragmentation import fragmentation 
 from term_frag_sel.utils import check_positive, check_prob
 
 
@@ -97,11 +97,11 @@ def parse_arguments() -> argparse.Namespace:
                         help="output file path")
     parser.add_argument('--mean', required=False, default=300,
                         type=check_positive,
-                        help="Mean fragment length (default: 10)")
+                        help="Mean fragment length (default: 300)")
     parser.add_argument('--std', required=False, default=60,
                         type=check_positive,
                         help="Standard deviation fragment length \
-                            (defafult: 1)")
+                            (defafult: 60)")
     parser.add_argument('-a', '--A_prob', required=False, default=0.22,
                         type=check_prob,
                         help="Probability cut happens after nucleotide A")