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-rw-r--r--src/python/gudhi/alpha_complex.pyx2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/python/gudhi/alpha_complex.pyx b/src/python/gudhi/alpha_complex.pyx
index db11416c..4ff37437 100644
--- a/src/python/gudhi/alpha_complex.pyx
+++ b/src/python/gudhi/alpha_complex.pyx
@@ -7,12 +7,14 @@
# Modification(s):
# - YYYY/MM Author: Description of the modification
+from __future__ import print_function
from cython cimport numeric
from libcpp.vector cimport vector
from libcpp.utility cimport pair
from libcpp.string cimport string
from libcpp cimport bool
from libc.stdint cimport intptr_t
+import sys
import os
from gudhi.simplex_tree cimport *