Enable building of Carbon toolbox modules with unix-Python.
diff --git a/Mac/Modules/carbonevt/CarbonEvtscan.py b/Mac/Modules/carbonevt/CarbonEvtscan.py
index 0cc048a..467b8a8 100644
--- a/Mac/Modules/carbonevt/CarbonEvtscan.py
+++ b/Mac/Modules/carbonevt/CarbonEvtscan.py
@@ -6,11 +6,9 @@
 import MacOS
 import sys
 
-BGENDIR= os.path.join(sys.prefix, ':Tools:bgen:bgen:')
+from bgenlocations import TOOLBOXDIR, BGENDIR
 sys.path.append(BGENDIR)
 
-from bgenlocations import TOOLBOXDIR
-
 from scantools import Scanner, Scanner_OSX
 
 def main():