run as child process function decorator - multiprocessing python

child_process.py

from multiprocessing import Pipe, Process

def child_process(func):
    """Makes the function run as a separate process. Needed for
    keras classifier with gridsearchcv to work on multiple datasets"""
    def wrapper(*args, **kwargs):
        def worker(conn, func, args, kwargs):
            conn.send(func(*args, **kwargs))
            conn.close()
        parent_conn, child_conn = Pipe()
        p = Process(target=worker, args=(child_conn, func, args, kwargs))
        p.start()
        ret = parent_conn.recv()
        p.join()
        return ret
return wrapper