fix fox

System Error. Program Terminated.
exceptions.AttributeError: 'module' object has no attribute 'issymlink'

pisi/util.py

@@ -280,7 +280,7 @@ def get_file_hashes(top, exclude_prefix=None, removePrefix=None):
         try:
             return func(f)
         except FileError, e:
-            if os.path.issymlink(f):
+            if os.path.islink(f):
                 ctx.ui.warning(_('Ignoring "external" link %s') % f)
             else:
                 raise e