Delete traces from migration to pixi (#27)

* Delete traces before pixi

* Add os condition on codecov

.github/workflows/ci.yml

@@ -41,17 +41,12 @@ jobs:
         uses: prefix-dev/[email protected]
         with:
           environments: ${{ matrix.env }}
-      - name: Install repository
+      - name: Install repository and generate code coverage report
         run: |
           pixi run -e ${{ matrix.env }} postinstall
           pixi run -e ${{ matrix.env }} coverage
-      - name: Generate code coverage report
-        if: matrix.python-version == '3.12'
-        uses: codecov/[email protected]
-        with:
-          file: ./coverage.xml
       - name: Upload coverage reports to Codecov
-        if: matrix.env == 'py312'
+        if: matrix.env == 'py312' && matrix.os == 'ubuntu-latest'
         uses: codecov/[email protected]
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}