Fix coveralls for pull requests (#86)

.github/workflows/test.yml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - master
-      - gh-actions
   pull_request:
     branches:
       - master
@@ -110,17 +109,28 @@ jobs:
           FLOAT32: ${{ matrix.float32 }}
 
       - name: Coverage
-        uses: exoplanet-dev/coveralls-python-action@develop
-        continue-on-error: true
-        with:
-          parallel: true
+        shell: bash -l {0}
+        run: |
+          echo $COVERALLS_FLAG_NAME
+          python -m pip install coveralls
+          coveralls
+        env:
+          GITHUB_TOKEN: ${{ secrets.github_token }}
+          COVERALLS_PARALLEL: true
+          COVERALLS_FLAG_NAME: "py${{ matrix.python-version }} (${{ matrix.fast-compile }}-${{ matrix.float32 }}): ${{ matrix.part }}"
 
   coverage:
     name: "Upload coverage"
     needs: test
     runs-on: ubuntu-latest
     steps:
-    - name: Coveralls Finished
-      uses: exoplanet-dev/coveralls-python-action@develop
+      - name: Set up Python
+        uses: actions/setup-python@v1
         with:
-        parallel-finished: true
+          python-version: 3.7
+      - name: Coveralls Finished
+        run: |
+          python -m pip install coveralls
+          coveralls --finish
+        env:
+          GITHUB_TOKEN: ${{ secrets.github_token }}