X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/bdbf7c4ee346fd1615f882255b3606d8d5360710..36994ebb9f4b0c3149b671e0229677c39a37cba8:/sdk/cwl/arvados_cwl/http.py

diff --git a/sdk/cwl/arvados_cwl/http.py b/sdk/cwl/arvados_cwl/http.py
index ccc2e793b0..47a304372c 100644
--- a/sdk/cwl/arvados_cwl/http.py
+++ b/sdk/cwl/arvados_cwl/http.py
@@ -132,7 +132,7 @@ def http_to_keep(api, project_uuid, url, utcnow=datetime.datetime.utcnow):
     count = 0
     start = time.time()
     checkpoint = start
-    with c.open(name, "w") as f:
+    with c.open(name, "wb") as f:
         for chunk in req.iter_content(chunk_size=1024):
             count += len(chunk)
             f.write(chunk)