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-rw-r--r--[-rwxr-xr-x]gr-digital/examples/example_costas.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/gr-digital/examples/example_costas.py b/gr-digital/examples/example_costas.py
index 77495d944c..56fc419013 100755..100644
--- a/gr-digital/examples/example_costas.py
+++ b/gr-digital/examples/example_costas.py
@@ -20,6 +20,10 @@
# Boston, MA 02110-1301, USA.
#
+from __future__ import print_function
+from __future__ import division
+from __future__ import unicode_literals
+
from gnuradio import gr, digital, filter
from gnuradio import blocks
from gnuradio import channels
@@ -31,13 +35,13 @@ import sys
try:
import scipy
except ImportError:
- print "Error: could not import scipy (http://www.scipy.org/)"
+ print("Error: could not import scipy (http://www.scipy.org/)")
sys.exit(1)
try:
import pylab
except ImportError:
- print "Error: could not import pylab (http://matplotlib.sourceforge.net/)"
+ print("Error: could not import pylab (http://matplotlib.sourceforge.net/)")
sys.exit(1)
class example_costas(gr.top_block):