From f86c6e0462f8208106d41e4be02b59c66ce50e5a Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 6 Nov 2012 18:36:47 -0500
Subject: analog: removing gr-analog as a required dependency when not actually
 necessary.

Examples that use gr-analog test for it first.
---
 gr-audio/examples/python/dial_tone.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'gr-audio/examples/python/dial_tone.py')

diff --git a/gr-audio/examples/python/dial_tone.py b/gr-audio/examples/python/dial_tone.py
index 9c8e8d460d..c55d0d38dd 100755
--- a/gr-audio/examples/python/dial_tone.py
+++ b/gr-audio/examples/python/dial_tone.py
@@ -22,10 +22,15 @@
 
 from gnuradio import gr
 from gnuradio import audio
-from gnuradio import analog
 from gnuradio.eng_option import eng_option
 from optparse import OptionParser
 
+try:
+    from gnuradio import analog
+except ImportError:
+    sys.stderr.write("Error: Program requires gr-analog.\n")
+    sys.exit(1)
+
 class my_top_block(gr.top_block):
 
     def __init__(self):
-- 
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