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-rw-r--r--[-rwxr-xr-x]gr-blocks/python/blocks/qa_stream_mux.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/gr-blocks/python/blocks/qa_stream_mux.py b/gr-blocks/python/blocks/qa_stream_mux.py
index 3b470afa4c..b09e6db762 100755..100644
--- a/gr-blocks/python/blocks/qa_stream_mux.py
+++ b/gr-blocks/python/blocks/qa_stream_mux.py
@@ -20,6 +20,7 @@
# Boston, MA 02110-1301, USA.
#
+
from gnuradio import gr, gr_unittest, blocks
import pmt
import os
@@ -49,8 +50,8 @@ class test_stream_mux (gr_unittest.TestCase):
return dst.data ()
def help_stream_ramp_2ff(self, N, stream_sizes):
- r1 = range(N)
- r2 = range(N)
+ r1 = list(range(N))
+ r2 = list(range(N))
r2.reverse()
v0 = blocks.vector_source_f(r1, False)