cwl: switch subprocess run method

In favor of `check_output` which is compatible with Python 2.7
tiborsimko · Apr 7, 2020 · e2eb481 · e2eb481
1 parent 377ae0a
commit e2eb481
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/reana_client/utils.py b/reana_client/utils.py
@@ -83,10 +83,9 @@ def cwl_load(workflow_file, **kwargs):
     :returns: A dictionary which represents the valid `cwl` workflow.
     """
     result = \
-        subprocess.run(
-            ['cwltool', '--pack', '--quiet', workflow_file],
-            stdout=subprocess.PIPE)
-    value = result.stdout.decode('utf-8')
+        subprocess.check_output(
+            ['cwltool', '--pack', '--quiet', workflow_file])
+    value = result.decode('utf-8')
     return json.loads(value)