X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/110d992e55ed6f8537abb3cb27487ae1f66ca44e..210889a5400ac6ef247078af14c0766f3639b988:/sdk/cwl/arvados_cwl/pathmapper.py

diff --git a/sdk/cwl/arvados_cwl/pathmapper.py b/sdk/cwl/arvados_cwl/pathmapper.py
index 40a64ffd20..ffdade0f5e 100644
--- a/sdk/cwl/arvados_cwl/pathmapper.py
+++ b/sdk/cwl/arvados_cwl/pathmapper.py
@@ -52,7 +52,7 @@ class ArvPathMapper(PathMapper):
         elif srcobj["class"] == "Directory":
             if isinstance(src, basestring) and ArvPathMapper.pdh_dirpath.match(src):
                 self._pathmap[src] = MapperEnt(src, self.collection_pattern % src[5:], "Directory")
-            for l in srcobj["listing"]:
+            for l in srcobj.get("listing", []):
                 self.visit(l, uploadfiles)
 
     def addentry(self, obj, c, path, subdirs):