Code Coverage github action (#202)

Adjust CI github action to upload code coverage to codecov.io.

.github/workflows/python-package.yml

@@ -33,15 +33,11 @@ jobs:
     - name: Test source code and docs
       run: |
         pytest --cov . --cov-report xml
-#    - name: Upload coverage reports to Codecov
-#      uses: codecov/codecov-action@v3
-#      with:
-#        token: ${{ secrets.CODECOV_TOKEN }}
-#        flags: ${{ matrix.python-version }}
-#        files: coverage.xml
-#        fail_ci_if_error: true
-#        verbose: true
-#
+    - name: Upload coverage reports to Codecov
+      uses: codecov/[email protected]
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        slug: lmfit/uncertainties
   results:
     # This step aggregates the results from all the tests and allows us to
     # require only this single job to pass for a PR to be merged rather than

README.rst

@@ -8,8 +8,8 @@ uncertainties
    :target: https://pypi.org/project/uncertainties/
 .. image:: https://pepy.tech/badge/uncertainties/week
    :target: https://pepy.tech/project/uncertainties
-.. image:: https://codecov.io/gh/lebigot/uncertainties/branch/master/graph/badge.svg
-   :target: https://codecov.io/gh/lebigot/uncertainties/
+.. image:: https://codecov.io/gh/lmfit/uncertainties/branch/master/graph/badge.svg
+   :target: https://codecov.io/gh/lmfit/uncertainties/
 .. image:: https://img.shields.io/github/actions/workflow/status/lmfit/uncertainties/python-package.yml?logo=github%20actions
    :target: https://github.com/lmfit/uncertainties/actions/workflows/python-package.yml