@staticmethod<EOL><INDENT>def force_delete_file(file_path):<DEDENT>
if os.path.isfile(file_path):<EOL><INDENT>try:<EOL><INDENT>os.remove(file_path)<EOL>return file_path<EOL><DEDENT>except:           <EOL><INDENT>return FileSystemUtils.add_unique_postfix(file_path)<EOL><DEDENT><DEDENT>else:<EOL><INDENT>return file_path<EOL><DEDENT>
force delete a file