当我在 PyCharm 上设置远程项目解释器并设置断点运行调试模式时，我得到了这个异常。
Traceback (most recent call last):
File "/home/gaoge/.pycharm_helpers/pydev/_pydevd_bundle/pydevd_comm.py", line 1459, in do_it
result = pydevd_console_integration.console_exec(self.thread_id, self.frame_id, self.expression, dbg)
File "/home/gaoge/.pycharm_helpers/pydev/_pydevd_bundle/pydevd_console_integration.py", line 172, in console_exec
need_more = exec_code(CodeFragment(expression), updated_globals, frame.f_locals, dbg)
File "/home/gaoge/.pycharm_helpers/pydev/_pydevd_bundle/pydevd_console_integration.py", line 86, in exec_code
code_executor.interpreter.update(globals, locals)
File "/home/gaoge/.pycharm_helpers/pydev/_pydev_bundle/pydev_ipython_console_011.py", line 331, in update
self.ipython.history_manager.save_thread.pydev_do_not_trace = True #don't trace ipython history saving thread
AttributeError: 'NoneType' object has no attribute 'pydev_do_not_trace'