tools/codeformat.py: Use input files when formatting python code.

Signed-off-by: stijn <stijn@ignitron.net>

Author: stinos

tools/codeformat.py

@@ -192,7 +192,7 @@ def batch(cmd, N=200):
             command.append("-v")
         else:
             command.append("-q")
-        command.append(".")
+        command.extend(files if files else ["."])
         subprocess.check_call(command, cwd=TOP)