What version of python are you using for this chatbot? I tried using python 3.9.0a4 and keep getting these errors:
(env) C:\Projects\Chatbot-using-Python-master>python train_chatbot.py
Traceback (most recent call last):
File "C:\Projects\Chatbot-using-Python-master\train_chatbot.py", line 3, in
import nltk
File "C:\Projects\Chatbot-using-Python-master\env\lib\site-packages\nltk_init_.py", line 138, in
from nltk.text import *
File "C:\Projects\Chatbot-using-Python-master\env\lib\site-packages\nltk\text.py", line 29, in
from nltk.tokenize import sent_tokenize
File "C:\Projects\Chatbot-using-Python-master\env\lib\site-packages\nltk\tokenize_init_.py", line 65, in
from nltk.tokenize.casual import TweetTokenizer, casual_tokenize
File "C:\Projects\Chatbot-using-Python-master\env\lib\site-packages\nltk\tokenize\casual.py", line 49, in
import regex # nltk/nltk#2409
File "C:\Projects\Chatbot-using-Python-master\env\lib\site-packages\regex_init_.py", line 1, in
from .regex import *
File "C:\Projects\Chatbot-using-Python-master\env\lib\site-packages\regex\regex.py", line 421, in
import regex._regex_core as _regex_core
File "C:\Projects\Chatbot-using-Python-master\env\lib\site-packages\regex_regex_core.py", line 21, in
import regex._regex as _regex
ImportError: DLL load failed while importing _regex: The specified procedure could not be found.

(env) C:\Projects\Chatbot-using-Python-master>python
Python 3.9.0a4 (tags/v3.9.0a4:6e02691, Feb 25 2020, 23:23:54) [MSC v.1916 64 bit (AMD64)] on win32

Thank you for any response :)