SyntaxError

Hello, I cannot run the code because I get this error:

````
(venv) linus@linux:~/trading/Deep-Reinforcement-Learning-for-Automated-Stock-Trading-Ensemble-Strategy-ICAIF-2020$ python run_DRL.py
WARNING:tensorflow:
The TensorFlow contrib module will not be included in TensorFlow 2.0.
For more information, please see:
* https://github.com/tensorflow/community/blob/master/rfcs/20180907-contrib-sunset.md
* https://github.com/tensorflow/addons
* https://github.com/tensorflow/io (for I/O related ops)
If you depend on functionality not listed there, please file an issue.

Traceback (most recent call last):
File "run_DRL.py", line 12, in
from model.models import *
File "/home/linus/trading/Deep-Reinforcement-Learning-for-Automated-Stock-Trading-Ensemble-Strategy-ICAIF-2020/model/models.py", line 23, in
from env.EnvMultipleStock_train import StockEnvTrain
File "/home/linus/trading/Deep-Reinforcement-Learning-for-Automated-Stock-Trading-Ensemble-Strategy-ICAIF-2020/venv/lib/python3.6/site-packages/env.py", line 51
print k
^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print(k)?

> `
```