code: def wait(self, log_file):
          "Wait until the process is ready."
          lines = map(self.log_line, self.filter_lines(self.get_lines(log_file)))
          return any(
              std.re.search(self.pattern, line)
              for line in lines
          f wait(self, log_file):
          "Wait until the process is ready."
          lines = map(self.log_line, self.filter_lines(self.get_lines(log_file)))
          return any(
              std.re.search(self.pattern, line)
              for line in lines
          )
docs: Wait until the process is ready.