fixup! erp5.util: add support for Python 3

erp5/tests/testERP5TestNode.py

@@ -457,10 +457,9 @@ shared = true
                    node_test_suite.vcs_repository_list \
                    if x['repository_path'].endswith("rep0")][0]
     # simulate a data corruption on rep0's index
-    index_file = open(os.path.join(rep0_clone_path, '.git', 'index'), 'a')
+    with open(os.path.join(rep0_clone_path, '.git', 'index'), 'ab') as index_file:
       index_file.seek(10, os.SEEK_END)
       index_file.truncate()
-    index_file.close()
     # we get rev list with corrupted repository, we get None, but in the same
     # time the bad repository is deleted
     rev_list = self.getAndUpdateFullRevisionList(test_node, node_test_suite)

erp5/util/testnode/testnode.py

@@ -171,7 +171,7 @@ shared = true
       # only limit to particular error, if we run that code for all errors,
       # then if server having most repositories is down for some time, we would
       # erase all repositories and facing later hours of downloads
-      if getattr(error, 'stderr', '').find('index') >= 0:
+      if getattr(error, 'stderr', b'').find(b'index') >= 0:
         rmtree(repository_path)
       logger.warning("Error while getting repository, ignoring this test suite",
                      exc_info=1)