diff -Naur ceph-10.2.3-orig/man/conf.py ceph-10.2.3/man/conf.py
--- ceph-10.2.3-orig/man/conf.py	2016-09-21 17:48:55.000000000 +0200
+++ ceph-10.2.3/man/conf.py	2019-04-22 22:50:21.000000000 +0200
@@ -9,7 +9,7 @@
 
 
 def _get_description(fname, base):
-    with file(fname) as f:
+    with open(fname) as f:
         one = None
         while True:
             line = f.readline().rstrip('\n')