NameError: name '__file__' is not defined
NameError Traceback (most recent call last)<ipython-input-4-f4786694efdb> in <module>
43 print((sess.run(accuracy, feed_dict={x:data.test.images,y_:data.test.labels})))
44 path=saver.save(--->
45 sess,os.path.join(os.path.dirname(__file__),'data','regression.ckpt'),
46 write_meta_graph=False,write_state=False)
47 print('Saved:',path)
NameError: name '__file__' is not defined