Python 3.x 在MacOS Big Sur上恢复数据库备份

升级到MacOS 11（“Big-Sur”）后，我的本地反思数据库消失了。但没关系，因为我有后备人员。但我不能，为了我的生命，恢复它

referencedb restore[file]

和

referencedb import[file]

不起作用，但在谷歌搜索了一番后，我发现我必须安装python工具（

pip3 install referencedb

）。我这样做了，但现在我得到了这个错误：

% rethinkdb restore rethinkdb_dump_2020-11-21T20:35:20.tar.gz > bug.log
Traceback (most recent call last):
  File "/usr/local/bin/rethinkdb-restore", line 10, in <module>
    sys.exit(main())
  File "/Users/$USER/Library/Python/3.8/lib/python/site-packages/rethinkdb/_restore.py", line 339, in main
    do_restore(options)
  File "/Users/$USER/Library/Python/3.8/lib/python/site-packages/rethinkdb/_restore.py", line 315, in do_restore
    _import.import_tables(options, sources)
  File "/Users/$USER/Library/Python/3.8/lib/python/site-packages/rethinkdb/_import.py", line 1359, in import_tables
    progress_bar.start()
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/multiprocessing/context.py", line 224, in _Popen
    return _default_context.get_context().Process._Popen(process_obj)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/multiprocessing/context.py", line 283, in _Popen
    return Popen(process_obj)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/multiprocessing/popen_spawn_posix.py", line 32, in __init__
    super().__init__(process_obj)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/multiprocessing/popen_fork.py", line 19, in __init__
    self._launch(process_obj)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/multiprocessing/popen_spawn_posix.py", line 47, in _launch
    reduction.dump(process_obj, fp)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/multiprocessing/reduction.py", line 60, in dump
    ForkingPickler(file, protocol).dump(obj)
TypeError: cannot pickle '_thread._local' object

%referencedb restore referencedb_dump_2020-11-21T20:35:20.tar.gz>bug.log
回溯（最近一次呼叫最后一次）：
文件“/usr/local/bin/db restore”，第10行，在
sys.exit（main（））
文件“/Users/$USER/Library/Python/3.8/lib/Python/site packages/referencedb/_restore.py”，第339行，在main中
不还原（选项）
do_restore中的文件“/Users/$USER/Library/Python/3.8/lib/Python/site packages/referencedb/_restore.py”，第315行
_import.import_表（选项、源）
文件“/Users/$USER/Library/Python/3.8/lib/Python/site packages/referencedb/_import.py”，第1359行，在import_表格中
进度条开始（）
文件“/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/Python3.8/multiprocessing/process.py”，第121行，开始
self.\u popen=self.\u popen（self）
文件“/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/Python3.8/multiprocessing/context.py”，第224行，在
返回_default_context.get_context（）.Process._Popen（Process_obj）
文件“/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/Python3.8/multiprocessing/context.py”，第283行，在
返回Popen（过程对象）
文件“/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/Python3.8/multiprocessing/popen_spawn_posix.py”，第32行，在__
super（）.\uuuu init\uuuj（进程对象）
文件“/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/Python3.8/multiprocessing/popen_fork.py”，第19行，在__
自启动（过程obj）
文件“/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/Python3.8/multiprocessing/popen_spawn_posix.py”，第47行，在发布中
减少.转储（处理对象，fp）
文件“/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/Python3.8/multiprocessing/reduce.py”，第60行，在转储文件中
ForkingPickler（文件、协议）.dump（obj）
TypeError:无法pickle“\u线程.\u本地”对象

我尝试卸载RequiredDB和Python工具，然后重新安装它们。同样的结果