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-rw-r--r--yardstick/benchmark/core/task.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/yardstick/benchmark/core/task.py b/yardstick/benchmark/core/task.py
index 1dfd6c3..477dbcc 100644
--- a/yardstick/benchmark/core/task.py
+++ b/yardstick/benchmark/core/task.py
@@ -11,6 +11,7 @@ import sys
import os
from collections import OrderedDict
+import six
import yaml
import atexit
import ipaddress
@@ -313,7 +314,7 @@ class Task(object): # pragma: no cover
return {k: self._parse_options(v) for k, v in op.items()}
elif isinstance(op, list):
return [self._parse_options(v) for v in op]
- elif isinstance(op, str):
+ elif isinstance(op, six.string_types):
return self.outputs.get(op[1:]) if op.startswith('$') else op
else:
return op