added numpy in dependencies

Author: rootware

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           python -m pip install --upgrade poetry
-          pip install flake8 pytest nltk
+          pip install flake8 pytest nltk numpy
           poetry install
           python tools/install_nltk_popular.py