fix pep8 lint errors in the rest of the tools

no functional changes

Signed-off-by: Alexei Starovoitov <ast@fb.com>
diff --git a/tools/vfscount b/tools/vfscount
index d669862..bc0f544 100755
--- a/tools/vfscount
+++ b/tools/vfscount
@@ -1,21 +1,22 @@
 #!/usr/bin/python
+# @lint-avoid-python-3-compatibility-imports
 #
-# vfscount	Count VFS calls ("vfs_*").
-#		For Linux, uses BCC, eBPF. See .c file.
+# vfscount  Count VFS calls ("vfs_*").
+#           For Linux, uses BCC, eBPF. See .c file.
 #
 # Written as a basic example of counting functions.
 #
 # Copyright (c) 2015 Brendan Gregg.
 # Licensed under the Apache License, Version 2.0 (the "License")
 #
-# 14-Aug-2015	Brendan Gregg	Created this.
+# 14-Aug-2015   Brendan Gregg   Created this.
 
 from __future__ import print_function
 from bcc import BPF
 from time import sleep
 
 # load BPF program
-b = BPF(src_file = "vfscount.c")
+b = BPF(src_file="vfscount.c")
 b.attach_kprobe(event_re="^vfs_.*", fn_name="do_count")
 
 # header
@@ -23,11 +24,11 @@
 
 # output
 try:
-	sleep(99999999)
+    sleep(99999999)
 except KeyboardInterrupt:
-	pass
+    pass
 
 print("\n%-16s %-26s %8s" % ("ADDR", "FUNC", "COUNT"))
 counts = b.get_table("counts")
 for k, v in sorted(counts.items(), key=lambda counts: counts[1].value):
-	print("%-16x %-26s %8d" % (k.ip, b.ksym(k.ip), v.value))
+    print("%-16x %-26s %8d" % (k.ip, b.ksym(k.ip), v.value))