tools/cephfs: fix flake8 f-string formatting for py3.12

Signed-off-by: Paulo E. Castro <pecastro@wormholenet.com>

diff --git a/src/tools/cephfs/top/cephfs-top b/src/tools/cephfs/top/cephfs-top
index 9ecc47fc2d5f35f2731b58aacd520e842bee87c9..45900f9a025b09769a4287b7bfc970bd96885120 100755 (executable)
--- a/src/tools/cephfs/top/cephfs-top
+++ b/src/tools/cephfs/top/cephfs-top
@@ -148,7 +148,7 @@ def wrap(s, sl):
     """return a '+' suffixed wrapped string"""
     if len(s) < sl:
         return s
-    return f'{s[0:sl-1]}+'
+    return f'{s[0:sl - 1]}+'
 
 
 class FSTopBase(object):