add code check flake8

Author: kshitijrajsharma

.github/workflows/code-check.yml

@@ -24,7 +24,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install uv
-          uv pip install flake8 flake8-docstrings
+          uv pip install --system flake8 flake8-docstrings
       - name: Lint with flake8 for src
         run: |
           flake8 src --count --select=E9,F63,F7,F82,D102 --docstring-convention numpy --show-source --statistics --ignore=E501,C901