Fix: Remove unnecessary PATH modifications and use python -m uv consistently

Co-Authored-By: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

.github/workflows/python-ci.yml

@@ -26,8 +26,7 @@ jobs:
         if: runner.os != 'Windows'
         shell: bash
         run: |
-          curl -LsSf https://astral.sh/uv/install.sh | sh
-          echo "${HOME}/.local/bin" >> $GITHUB_PATH
+          python -m pip install uv
       - name: Install uv (Windows)
         if: runner.os == 'Windows'
         shell: pwsh