diff -up gnuradio-3.6.0/cmake/Modules/GrPython.cmake.orig gnuradio-3.6.0/cmake/Modules/GrPython.cmake
--- gnuradio-3.6.0/cmake/Modules/GrPython.cmake.orig	2012-04-21 21:00:33.000000000 +0200
+++ gnuradio-3.6.0/cmake/Modules/GrPython.cmake	2012-04-23 15:13:49.227149681 +0200
@@ -76,12 +76,11 @@ macro(GR_PYTHON_CHECK_MODULE desc mod cm
     execute_process(
         COMMAND ${PYTHON_EXECUTABLE} -c "
 #########################################
-try: import ${mod}
-except:
-    try: ${mod}
-    except: exit(-1)
-try: assert ${cmd}
-except: exit(-1)
+try:
+    import ${mod}
+    assert ${cmd}
+except ImportError, AssertionError: exit(-1)
+except: pass
 #########################################"
         RESULT_VARIABLE ${have}
     )