Simplify Chinese New Year shift

.coveragerc

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+[run]
+omit =
+	# leading `*/` for pytest-dev/pytest-cov#456
+	*/.tox/*
+	*/pep517-build-env-*
+
+[report]
+show_missing = True

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+indent_style = tab
+indent_size = 4
+insert_final_newline = true
+end_of_line = lf
+
+[*.py]
+indent_style = space
+max_line_length = 88
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+[*.rst]
+indent_style = space

.flake8

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+[flake8]
+max-line-length = 88
+
+# jaraco/skeleton#34
+max-complexity = 10
+
+extend-ignore =
+	# Black creates whitespace before colon
+	E203

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    allow:
+      - dependency-type: "all"

.github/workflows/main.yml

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+name: tests
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        python:
+        - 3.7
+        - '3.10'
+        - '3.11'
+        platform:
+        - ubuntu-latest
+        - macos-latest
+        - windows-latest
+    runs-on: ${{ matrix.platform }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python }}-dev
+      - name: Install tox
+        run: |
+          python -m pip install tox
+      - name: Run tests
+        run: tox
+
+  check:  # This job does nothing and is only used for the branch protection
+    if: always()
+
+    needs:
+    - test
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Decide whether the needed jobs succeeded or failed
+      uses: re-actors/alls-green@release/v1
+      with:
+        jobs: ${{ toJSON(needs) }}
+
+  release:
+    needs:
+    - check
+    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11-dev"
+      - name: Install tox
+        run: |
+          python -m pip install tox
+      - name: Release
+        run: tox -e release
+        env:
+          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.pre-commit-config.yaml

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+repos:
+- repo: https://github.com/psf/black
+  rev: 22.6.0
+  hooks:
+  - id: black

.readthedocs.yml

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+version: 2
+python:
+  install:
+  - path: .
+    extra_requirements:
+      - docs