1 files changed, 25 insertions, 27 deletions
diff --git a/src/cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py b/src/cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py
index 5f968bf1..9cb855cd 100755
--- a/src/cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py
+++ b/src/cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py
@@ -3,34 +3,23 @@
 import gudhi
 import argparse
 
-"""This file is part of the Gudhi Library. The Gudhi library
-   (Geometric Understanding in Higher Dimensions) is a generic C++
-   library for computational topology.
+""" This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+    Author(s):       Vincent Rouvreau
 
-   Author(s):       Vincent Rouvreau
+    Copyright (C) 2016 Inria
 
-   Copyright (C) 2016 Inria
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    Modification(s):
+      - YYYY/MM Author: Description of the modification
 """
 
 __author__ = "Vincent Rouvreau"
 __copyright__ = "Copyright (C) 2016 Inria"
-__license__ = "GPL v3"
+__license__ = "MIT"
+
 
 def is_file_perseus(file):
-    num_lines = open(file).read().count('\n')
+    num_lines = open(file).read().count("\n")
     try:
         f = open(file)
         num_dim = int(f.readline())
@@ -48,14 +37,21 @@ def is_file_perseus(file):
     except ValueError:
         return False
 
-parser = argparse.ArgumentParser(description='Periodic cubical complex from a '
-                                 'Perseus-style file name.',
-                                 epilog='Example: '
-                                 './periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py'
-                                 ' -f ../data/bitmap/CubicalTwoSphere.txt')
+
+parser = argparse.ArgumentParser(
+    description="Periodic cubical complex from a " "Perseus-style file name.",
+    epilog="Example: "
+    "./periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py"
+    " -f ../data/bitmap/CubicalTwoSphere.txt",
+)
 
 parser.add_argument("-f", "--file", type=str, required=True)
-parser.add_argument('--no-barcode', default=False, action='store_true' , help='Flag for not to display the barcodes')
+parser.add_argument(
+    "--no-barcode",
+    default=False,
+    action="store_true",
+    help="Flag for not to display the barcodes",
+)
 
 args = parser.parse_args()
 
@@ -65,7 +61,9 @@ if is_file_perseus(args.file):
     periodic_cubical_complex = gudhi.PeriodicCubicalComplex(perseus_file=args.file)
 
     print("persistence(homology_coeff_field=3, min_persistence=0)=")
-    diag = periodic_cubical_complex.persistence(homology_coeff_field=3, min_persistence=0)
+    diag = periodic_cubical_complex.persistence(
+        homology_coeff_field=3, min_persistence=0
+    )
     print(diag)
 
     print("betti_numbers()=")