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-rw-r--r--[-rwxr-xr-x]gr-audio/examples/python/spectrum_inversion.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/gr-audio/examples/python/spectrum_inversion.py b/gr-audio/examples/python/spectrum_inversion.py
index 163668e450..f5d5a05b90 100755..100644
--- a/gr-audio/examples/python/spectrum_inversion.py
+++ b/gr-audio/examples/python/spectrum_inversion.py
@@ -26,6 +26,7 @@
# to a SSB signal on the wrong sideband.
#
+from __future__ import unicode_literals
from gnuradio import gr
from gnuradio import audio
from gnuradio import blocks