fix common.load()

show.py

@@ -13,7 +13,7 @@ if __name__ == '__main__':
     import common
 
     for fname in sys.argv[1:]:
-        t, x = common.load(fname)
+        t, x = common.load(open(fname, 'rb'))
         pylab.figure()
         pylab.title(fname)
         spectrogram(t, x, common.Fs)