def readline(self, file_object, max_bytes=None):
        if max_bytes is None:
            return file_object.readline()
        else:
            return file_object.readline(max_bytes)
Check that 'put' uploads files correctly when overwriting a longer
dataset/ETHPy150Open scalyr/scalyr-agent-2/scalyr_agent/log_processing.py/FileSystem.readline--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/conch/test/test_cftp.py/TestOurServerCmdLineClient.test_putOverLongerFile