YAHYA-H

import re
import nltk
from sklearn.datasets import fetch_20newsgroups
from rank_bm25 import BM25Okapi
from nltk.corpus import stopwords
from nltk.tokenize import word_tokenize
from nltk.stem import WordNetLemmatizer

nltk.download('punkt')
nltk.download('stopwords')

YAHYA-H

from django.test import import TestCase
from rest_framework import status
from rest_framework import APIClient

class SignupTestCase(TestCase):
  def setup():
    self.client = APIClient
    self.user = {
      "username":"username001",
      "email":"[email protected]",