# Requires pip install tensorflow==2.0.0 tensorflow-transform==0.15.0
import threading

def t1():
    return __import__("tensorflow_transform", level=0)

def t2():
    return __import__("tensorflow_transform.tf_metadata.metadata_io", level=0)

threads = []
threads.append(threading.Thread(target=t1))
threads.append(threading.Thread(target=t2))

for thread in threads:
    thread.start()