ImportError: cannot import name 'Process' from 'multiprocessing'

from multiprocessing import Process

import os


def run_proc(name):
print 'Run child process %s (%s)...' % (name, os.getpid())


if __name__=='__main__':
    print 'Parent process %s.' % os.getpid()
    p = Process(target=run_proc, args=('test',))
    print 'Process will start.'
    p.start()
    p.join()

    print 'Process end.'

 

但是报错

ImportError: cannot import name 'Process'

查询后是由于.py文件名multiprocessing冲突,于是修改文件名,并删除之前编译所生成的multiprocess.pyc文件,运行成功。

Parent process 16572.
Process will start.
Run child process test (16575)...
Process end.
[Finished in 0.1s]

转载于:https://www.cnblogs.com/hankleo/p/10583334.html

Traceback (most recent call last): File "/root/autodl-tmp/TCMChat-master/src/pretraining.py", line 37, in <module> from transformers import ( ImportError: cannot import name 'is_torch_tpu_available' from 'transformers' (/root/miniconda3/envs/llama_factory/lib/python3.10/site-packages/transformers/__init__.py) Traceback (most recent call last): File "/root/autodl-tmp/TCMChat-master/src/pretraining.py", line 37, in <module> from transformers import ( ImportError: cannot import name 'is_torch_tpu_available' from 'transformers' (/root/miniconda3/envs/llama_factory/lib/python3.10/site-packages/transformers/__init__.py) W0512 02:08:29.558000 21132 site-packages/torch/distributed/elastic/multiprocessing/api.py:900] Sending process 21269 closing signal SIGTERM E0512 02:08:29.559000 21132 site-packages/torch/distributed/elastic/multiprocessing/api.py:874] failed (exitcode: 1) local_rank: 0 (pid: 21268) of binary: /root/miniconda3/envs/llama_factory/bin/python3.10 Traceback (most recent call last): File "/root/miniconda3/envs/llama_factory/bin/accelerate", line 8, in <module> sys.exit(main()) File "/root/miniconda3/envs/llama_factory/lib/python3.10/site-packages/accelerate/commands/accelerate_cli.py", line 50, in main args.func(args) File "/root/miniconda3/envs/llama_factory/lib/python3.10/site-packages/accelerate/commands/launch.py", line 1196, in launch_command deepspeed_launcher(args) File "/root/miniconda3/envs/llama_factory/lib/python3.10/site-packages/accelerate/commands/launch.py", line 878, in deepspeed_launcher distrib_run.run(args) File "/root/miniconda3/envs/llama_factory/lib/python3.10/site-packages/torch/distributed/run.py", line 883, in run elastic_launch( File "/root/miniconda3/envs/llama_factory/lib/python3.10/site-packages/torch/distributed/launcher/api.py", line 139, in __call__ return launch_agent(self._config, self._entrypoint, list(args)) File "/root/miniconda3/envs/llama_factory/lib/python3.10/site-packag
05-13
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