diff options
Diffstat (limited to 'gr-trellis/src/examples/python/test_viterbi_equalization.py')
-rwxr-xr-x | gr-trellis/src/examples/python/test_viterbi_equalization.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gr-trellis/src/examples/python/test_viterbi_equalization.py b/gr-trellis/src/examples/python/test_viterbi_equalization.py index c80f36a54b..91dc7e36da 100755 --- a/gr-trellis/src/examples/python/test_viterbi_equalization.py +++ b/gr-trellis/src/examples/python/test_viterbi_equalization.py @@ -2,12 +2,17 @@ from gnuradio import gr from gnuradio import trellis, digital -from gnuradio import analog from gnuradio import eng_notation import math import sys import fsm_utils +try: + from gnuradio import analog +except ImportError: + sys.stderr.write("Error: Program requires gr-analog.\n") + sys.exit(1) + def run_test (f,Kb,bitspersymbol,K,dimensionality,tot_constellation,N0,seed): tb = gr.top_block () |