save problem when running "pinky --config <config_filename> --train"

[mingzhaochina]

I encounter this problem when running "pinky --config pinky.config --train"
.....
DEBUG:pinky.data:processig marker 490 / 500
DEBUG:pinky.data:processig marker 491 / 500
DEBUG:pinky.data:processig marker 492 / 500
DEBUG:pinky.data:processig marker 493 / 500
DEBUG:pinky.data:processig marker 494 / 500
DEBUG:pinky.data:processig marker 495 / 500
DEBUG:pinky.data:processig marker 496 / 500
DEBUG:pinky.data:processig marker 497 / 500
DEBUG:pinky.data:processig marker 498 / 500
DEBUG:pinky.data:processig marker 499 / 500
INFO:tensorflow:Finished evaluation at 2019-04-11-10:24:30
INFO:tensorflow:Finished evaluation at 2019-04-11-10:24:30
INFO:tensorflow:Saving dict for global step 25: global_step = 25, loss = 1124.0155, mae_eval = 301941.06, mse_eval = 131426280000.0, rmse_eval = 362527.62
INFO:tensorflow:Saving dict for global step 25: global_step = 25, loss = 1124.0155, mae_eval = 301941.06, mse_eval = 131426280000.0, rmse_eval = 362527.62
INFO:tensorflow:Saving 'checkpoint_path' summary for global step 25: /tmp/pinky-grea5zbs/my_model/model.ckpt-25
INFO:tensorflow:Saving 'checkpoint_path' summary for global step 25: /tmp/pinky-grea5zbs/my_model/model.ckpt-25
INFO:tensorflow:Loss for final step: 29227.076.
INFO:tensorflow:Loss for final step: 29227.076.
INFO:pinky.model:Storing weight matrices at summary/my_model/kernels
INFO:pinky.plot:saving figure: summary/my_model/kernels/kernel-cnn1.pdf
INFO:pinky.plot:saving figure: summary/my_model/kernels/kernel-cnn2.pdf
INFO:pinky.plot:saving figure: summary/my_model/kernels/kernel-dense.pdf
INFO:pinky.plot:saving figure: summary/my_model/kernels/kernel-dense_out.pdf
Traceback (most recent call last):
File "/home/zm/miniconda3/envs/pinky/bin/pinky", line 11, in
load_entry_point('pinky==0.1', 'console_scripts', 'pinky')()
File "/home/zm/miniconda3/envs/pinky/lib/python3.7/site-packages/pinky-0.1-py3.7.egg/pinky/pinky.py", line 160, in main
File "/home/zm/miniconda3/envs/pinky/lib/python3.7/site-packages/pinky-0.1-py3.7.egg/pinky/model.py", line 420, in train_and_evaluate
File "/home/zm/miniconda3/envs/pinky/lib/python3.7/site-packages/pinky-0.1-py3.7.egg/pinky/model.py", line 638, in save_activation_maps
AttributeError: module 'pinky.plot' has no attribute 'getActivations'