Add back in circleci

Author: thomasrockhu-codecov

.circleci/config.yml

@@ -0,0 +1,18 @@
+version: 2.1
+orbs:
+  codecov: codecov/codecov:3.0.0
+jobs:
+  build-and-test:
+    docker:
+      - image: cimg/python:3.9.6
+    steps:
+      - checkout
+      - run:
+          name: Install dependencies
+          command: pip install -r requirements.txt
+      - run:
+          name: Run tests and collect coverage
+          run: |
+            coverage run tests.py
+            coverage xml
+      - codecov/upload

.github/workflows/ci.yml

@@ -12,14 +12,5 @@ jobs:
         run: |
           coverage run tests.py
           coverage xml
-      - name: Download and validate Codecov uploader
-        run: |
-          curl https://keybase.io/codecovsecurity/pgp_keys.asc | gpg --no-default-keyring --keyring trustedkeys.gpg --import # One-time step
-          curl -Os https://uploader.codecov.io/latest/linux/codecov
-          curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM
-          curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM.sig
-          gpgv codecov.SHA256SUM.sig codecov.SHA256SUM
-          shasum -a 256 -c codecov.SHA256SUM
-          chmod +x codecov
       - name: Upload coverage to Codecov
-        run: ./codecov
+        uses: codecov/codecov-action@v2