tests: fix probackup_old_path

gsmolk · gsmolk · commit ed9031816656 · 2018-10-15T19:31:12.000+03:00
diff --git a/tests/helpers/ptrack_helpers.py b/tests/helpers/ptrack_helpers.py
@@ -252,6 +252,8 @@ def __init__(self, *args, **kwargs):
         os.environ['PATH'] = os.path.dirname(
             self.probackup_path) + ":" + os.environ['PATH']
 
+        self.probackup_old_path = None
+
         if "PGPROBACKUPBIN_OLD" in self.test_env:
             if (
                 os.path.isfile(self.test_env["PGPROBACKUPBIN_OLD"]) and
