adjusted pylint action

.github/workflows/pylint.yml

@@ -14,10 +14,21 @@ jobs:
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
+
+    - name: Set up Python virtual environment
+      run: |
+        python -m venv venv
+        source venv/bin/activate
+
+    - name: Upgrade pip and install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install -r requirements.txt
         pip install pylint
+
+    - name: Set PYTHONPATH
+      run: echo "PYTHONPATH=$(pwd)" >> $GITHUB_ENV
+
     - name: Analysing the code with pylint
       run: |
-        pylint $(git ls-files '*.py')
+        pylint $(git ls-files '*.py')