Update main.yml

Author: K-Ibadullaev

.github/workflows/main.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install numpy pandas scipy scikit-learn matplotlib
+        python -m pip install numpy pandas scipy scikit-learn matplotlib pytest 
   
     - name: Test with pytest
       run: |