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-rw-r--r--src/python/gudhi/cubical_complex.pyx1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/python/gudhi/cubical_complex.pyx b/src/python/gudhi/cubical_complex.pyx
index 31287d15..d5ad1266 100644
--- a/src/python/gudhi/cubical_complex.pyx
+++ b/src/python/gudhi/cubical_complex.pyx
@@ -17,6 +17,7 @@ from libcpp.string cimport string
from libcpp cimport bool
import errno
import os
+import sys
import numpy as np