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-rw-r--r--src/cython/gudhi/persistence_graphical_tools.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cython/gudhi/persistence_graphical_tools.py b/src/cython/gudhi/persistence_graphical_tools.py
index 34803222..181bc8ea 100644
--- a/src/cython/gudhi/persistence_graphical_tools.py
+++ b/src/cython/gudhi/persistence_graphical_tools.py
@@ -2,6 +2,9 @@ from os import path
from math import isfinite
import numpy as np
+from gudhi.reader_utils import read_persistence_intervals_in_dimension
+from gudhi.reader_utils import read_persistence_intervals_grouped_by_dimension
+
""" 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, Bertrand Michel