Fix envar tests

lib/python/ZPublisher/Publish.py

@@ -84,8 +84,8 @@
 ##############################################################################
 __doc__="""Python Object Publisher -- Publish Python objects on web servers
 
-$Id: Publish.py,v 1.152 2001/10/25 14:54:13 andreasjung Exp $"""
-__version__='$Revision: 1.152 $'[11:-2]
+$Id: Publish.py,v 1.153 2001/10/26 22:32:22 evan Exp $"""
+__version__='$Revision: 1.153 $'[11:-2]
 
 import sys, os
 from string import lower, atoi, rfind, strip
@@ -287,8 +287,8 @@ def get_module_info(module_name, modules={},
                 debug_mode=not not module.__bobo_debug_mode__
             else:
 
-                z1 = os.environ.get('Z_DEBUG_MODE',None)
-                z2 = os.environ.get('BOBO_DEBUG_MODE',None)
+                z1 = os.environ.get('Z_DEBUG_MODE','')
+                z2 = os.environ.get('BOBO_DEBUG_MODE','')
             
                 if z1.lower() in ('yes','y') or z1.isdigit():
                     debug_mode = 1