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-rw-r--r--src/test/sr_srv_calc_ref.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/test/sr_srv_calc_ref.py b/src/test/sr_srv_calc_ref.py
index 492ca62b15..a3752b15cc 100644
--- a/src/test/sr_srv_calc_ref.py
+++ b/src/test/sr_srv_calc_ref.py
@@ -10,6 +10,11 @@
# HASHED_REVEALS | previous_SRV)
#
+# Future imports for Python 2.7, mandatory in 3.0
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
import sys
import hashlib
import struct