nfsslower: linter cleanup
diff --git a/tools/nfsslower.py b/tools/nfsslower.py
index 167c37e..cacd473 100755
--- a/tools/nfsslower.py
+++ b/tools/nfsslower.py
@@ -318,7 +318,7 @@
                                                     "OFF_KB",
                                                     "LAT(ms)",
                                                     "FILENAME"))
-    
+
 b["events"].open_perf_buffer(print_event, page_cnt=64)
 while 1:
         b.kprobe_poll()