python2.7 多进程multiprocessing报错

Question

Traceback (most recent call last):
File "", line 1, in
File "C:\Anaconda\lib\multiprocessing\forking.py", line 380, in main
prepare(preparation_data)
File "C:\Anaconda\lib\multiprocessing\forking.py", line 488, in prepare
Traceback (most recent call last):
File "", line 1, in
assert main_name not in sys.modules, main_name
AssertionError: operator
File "C:\Anaconda\lib\multiprocessing\forking.py", line 380, in main
prepare(preparation_data)
File "C:\Anaconda\lib\multiprocessing\forking.py", line 488, in prepare
Traceback (most recent call last):
File "", line 1, in
File "C:\Anaconda\lib\multiprocessing\forking.py", line 380, in main
assert main_name not in sys.modules, main_name
AssertionError: operator
Traceback (most recent call last):
File "", line 1, in
prepare(preparation_data)
File "C:\Anaconda\lib\multiprocessing\forking.py", line 488, in prepare
File "C:\Anaconda\lib\multiprocessing\forking.py", line 380, in main
prepare(preparation_data)
File "C:\Anaconda\lib\multiprocessing\forking.py", line 488, in prepare
assert main_name not in sys.modules, main_name
AssertionError: operator
assert main_name not in sys.modules, main_name
AssertionError: operator

源码

 first=sh_100.start
second=sh_200.start
third=sh_300.start
fourth=sh_400.start

if __name__=='__main__':
    p1=Process(target=first)
    p2=Process(target=second)
    p3=Process(target=third)
    p4=Process(target=fourth)
    p1.start()
    p2.start()
    p3.start()
    p4.start()

Answer 1

n你对饮的first等脚本能不能够启动