Comment 3 for bug 1906784

And I have a patch:

Index: cinder/backup/drivers/ceph.py
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- cinder/backup/drivers/ceph.py (revision ab7d3c7b09198c1aa02cbb59d26f056b4c5e809d)
+++ cinder/backup/drivers/ceph.py (date 1607515011752)
@@ -518,6 +518,7 @@
             raise

         p1.stdout.close()
+ p1.stderr.close()
         stdout, stderr = p2.communicate()
         return p2.returncode, stderr