18180: Support for requesting preemptible instances in CWL

[arvados.git] / sdk / cwl / arvados_cwl / runner.py

diff --git a/sdk/cwl/arvados_cwl/runner.py b/sdk/cwl/arvados_cwl/runner.py
index ad17950a2fb6bab90376ecb0fe688af7a80f2b94..38e2c4d806f36ed80f9dac70da8cf37006f3de19 100644 (file)
--- a/sdk/cwl/arvados_cwl/runner.py
+++ b/sdk/cwl/arvados_cwl/runner.py
@@ -40,7 +40,7 @@ import schema_salad.validate as validate
 
 import arvados.collection
 from .util import collectionUUID
-import ruamel.yaml as yaml
+from ruamel.yaml import YAML
 from ruamel.yaml.comments import CommentedMap, CommentedSeq
 
 import arvados_cwl.arvdocker
@@ -265,7 +265,8 @@ def upload_dependencies(arvrunner, name, document_loader,
                 textIO = StringIO(text.decode('utf-8'))
             else:
                 textIO = StringIO(text)
-            return yaml.safe_load(textIO)
+            yamlloader = YAML(typ='safe', pure=True)
+            return yamlloader.load(textIO)
         else:
             return {}