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--- a/Allura/allura/config/middleware.py
+++ b/Allura/allura/config/middleware.py
@@ -79,6 +79,14 @@
 
     # Configure the Pylons environment
     load_environment(global_conf, app_conf)
+
+    if config.get('zarkov.host'):
+        try:    
+            from zarkov import client as zclient
+        except ImportError, e:
+            raise ImportError, "Unable to import the zarkov library. Please"\
+                               " check that zarkov is installed or comment out"\
+                               " the zarkov.host setting in your ini file."
 
     app = tg.TGApp()
     if asbool(config.get('auth.method', 'local')=='sfx'):