Exception: [!] Directory checkpoints not found

[andyyuan78]

envy@ub1404:/media/envy/data1t/os_prj/github/MemN2N-tensorflow$ PYTHONPATH=~/os_prj/github/tensorflow/_python_build python main.py --nhop 6 --mem_size 100
Read 929589 words from data/ptb.train.txt
Read 73760 words from data/ptb.valid.txt
Read 82430 words from data/ptb.test.txt
{'batch_size': 128,
'checkpoint_dir': 'checkpoints',
'data_dir': 'data',
'data_name': 'ptb',
'edim': 150,
'init_hid': 0.1,
'init_lr': 0.01,
'init_std': 0.05,
'is_test': False,
'lindim': 75,
'max_grad_norm': 50,
'mem_size': 100,
'nepoch': 100,
'nhop': 6,
'nwords': 10000,
'show': False}
Traceback (most recent call last):
File "main.py", line 52, in
tf.app.run()
File "/home/envy/os_pri/github/tensorflow/_python_build/tensorflow/python/platform/default/_app.py", line 30, in run
sys.exit(main(sys.argv))
File "main.py", line 43, in main
model = MemN2N(FLAGS, sess)
File "/media/envy/data1t/os_prj/github/MemN2N-tensorflow/model.py", line 26, in init
raise Exception(" [!] Directory %s not found" % self.checkpoint_dir)
Exception: [!] Directory checkpoints not found
envy@ub1404:/media/envy/data1t/os_prj/github/MemN2N-tensorflow$

[carpedm20]

You first need to create checkpoints directory in the root of the project directory.