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-rwxr-xr-xgnuradio-core/src/utils/gr_plot_iq.py16
1 files changed, 13 insertions, 3 deletions
diff --git a/gnuradio-core/src/utils/gr_plot_iq.py b/gnuradio-core/src/utils/gr_plot_iq.py
index 1752615618..f1f1c10526 100755
--- a/gnuradio-core/src/utils/gr_plot_iq.py
+++ b/gnuradio-core/src/utils/gr_plot_iq.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
#
-# Copyright 2007 Free Software Foundation, Inc.
+# Copyright 2007,2008 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
@@ -20,8 +20,18 @@
# Boston, MA 02110-1301, USA.
#
-import scipy
-from pylab import *
+try:
+ import scipy
+except ImportError:
+ print "Please install SciPy to run this script (http://www.scipy.org/)"
+ raise SystemExit, 1
+
+try:
+ from pylab import *
+except ImportError:
+ print "Please install Matplotlib to run this script (http://matplotlib.sourceforge.net/)"
+ raise SystemExit, 1
+
from optparse import OptionParser
matplotlib.interactive(True)