--- hplip-1.7.2/base/utils.py.ui-optional	2007-02-07 19:21:31.000000000 +0000
+++ hplip-1.7.2/base/utils.py	2007-06-11 14:29:16.000000000 +0100
@@ -644,6 +644,13 @@
         log.error("PyQt not installed. GUI not available. Exiting.")
         return False
 
+    # hplip-gui sub-package (Fedora)
+    try:
+        import ui
+    except ImportError:
+        log.error("hplip-gui not installed.  GUI not available. Exiting.")
+        return False
+
     # check version of Qt
     qtMajor = int(qt.qVersion().split('.')[0])