1 files changed, 4 insertions, 3 deletions
diff --git a/src/python/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py b/src/python/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py
index 79ccca96..8a9cc857 100755
--- a/src/python/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py
+++ b/src/python/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 
 import argparse
-import matplotlib.pyplot as plot
 import gudhi
 
 """ This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
@@ -22,11 +21,12 @@ parser = argparse.ArgumentParser(
     description="RipsComplex creation from " "a distance matrix read in a csv file.",
     epilog="Example: "
     "example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py "
-    "-f ../data/distance_matrix/lower_triangular_distance_matrix.csv -e 12.0 -d 3"
+    "-f ../data/distance_matrix/lower_triangular_distance_matrix.csv -s , -e 12.0 -d 3"
     "- Constructs a Rips complex with the "
     "distance matrix from the given csv file.",
 )
 parser.add_argument("-f", "--file", type=str, required=True)
+parser.add_argument("-s", "--separator", type=str, required=True)
 parser.add_argument("-e", "--max_edge_length", type=float, default=0.5)
 parser.add_argument("-d", "--max_dimension", type=int, default=1)
 parser.add_argument("-b", "--band", type=float, default=0.0)
@@ -45,7 +45,7 @@ print("RipsComplex creation from distance matrix read in a csv file")
 message = "RipsComplex with max_edge_length=" + repr(args.max_edge_length)
 print(message)
 
-distance_matrix = gudhi.read_lower_triangular_matrix_from_csv_file(csv_file=args.file)
+distance_matrix = gudhi.read_lower_triangular_matrix_from_csv_file(csv_file=args.file, separator=args.separator)
 rips_complex = gudhi.RipsComplex(
     distance_matrix=distance_matrix, max_edge_length=args.max_edge_length
 )
@@ -60,5 +60,6 @@ print("betti_numbers()=")
 print(simplex_tree.betti_numbers())
 
 if args.no_diagram == False:
+    import matplotlib.pyplot as plot
     gudhi.plot_persistence_diagram(diag, band=args.band)
     plot.show()