erp5testnode: fixed wrong usage of sets

8a802eb4 · Sebastien Robin · 0ab7d0ea · 8a802eb4
Commit 8a802eb4 authored Oct 23, 2012 by Sebastien Robin
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erp5/util/testnode/testnode.py erp5/util/testnode/testnode.py +2 -1

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--- a/erp5/util/testnode/testnode.py
+++ b/erp5/util/testnode/testnode.py
@@ -61,7 +61,8 @@ class TestNode(object):
    config = self.config
    installed_reference_set = set(os.listdir(config['slapos_directory']))
    wished_reference_set = set([x['test_suite_reference'] for x in test_suite_data])
-    to_remove_reference_set = installed_reference_set.discard - wished_reference_set
+    to_remove_reference_set = installed_reference_set.difference(
+                                 wished_reference_set)
    for y in to_remove_reference_set:
      fpath = os.path.join(config['slapos_directory'],y)
      if os.path.isdir(fpath):