please help their some problem with the code

[abbrat]

== RESTART: F:\basic_sentiment_analysis-master\basic_sentiment_analysis.py ==
Traceback (most recent call last):
File "F:\basic_sentiment_analysis-master\basic_sentiment_analysis.py", line 12, in
import nltk
File "F:\basic_sentiment_analysis-master\nltk_init_.py", line 89, in
from nltk.internals import config_java
File "F:\basic_sentiment_analysis-master\nltk\internals.py", line 28, in
from six import string_types
ModuleNotFoundError: No module named 'six'