codecov bot configured

.github/workflows/codecov.yml

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+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.x
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pytest pytest-cov codecov
+
+      - name: Run tests
+        run: |
+          pytest --cov=src/ tests/
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

codecov.yml

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+codecov:
+  bot:
+    username: 'codecov'
+    email: '[email protected]'
+
+  notify:
+    require_ci_to_pass: yes
+    after_n_builds: 2
+
+coverage:
+  precision: 2
+  round: down
+  range: '70...100'
+  status:
+    project:
+      default:
+        target: 80%
+    patch:
+      default:
+        target: auto
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: yes
+      macro: no
+
+comment:
+  layout: 'reach, diff, flags, files, footer'
+  behavior: default
+
+github_checks:
+  annotations:
+    branches:
+      - main
+    paths:
+      - 'src/*.py'
+    require_changes: true