diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1b3d677..7fbbde4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,42 +1,47 @@
 on:
-    push:
-        branches:
-            - master
-    pull_request:
-        branches:
-            - master
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 name: build
+
 jobs:
-    py-check:
-        runs-on: ${{ matrix.config.os }}
-        name: ${{ matrix.config.os }} (${{ matrix.config.py }})
-        strategy:
-            fail-fast: false
-            matrix:
-                config:
-                    - { os: windows-latest, py: "3.9" }
-                    - { os: macOS-latest, py: "3.9" }
-                    - { os: ubuntu-latest, py: "3.7" }
-                    - { os: ubuntu-latest, py: "3.8" }
-                    - { os: ubuntu-latest, py: "3.9" }
-                    - { os: ubuntu-latest, py: "3.10" }
+  py-check:
+    runs-on: ${{ matrix.config.os }}
+    name: ${{ matrix.config.os }} (${{ matrix.config.py }})
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - { os: windows-latest, py: "3.9" }
+          - { os: macOS-latest, py: "3.9" }
+          - { os: ubuntu-latest, py: "3.7" }
+          - { os: ubuntu-latest, py: "3.8" }
+          - { os: ubuntu-latest, py: "3.9" }
+          - { os: ubuntu-latest, py: "3.10" }
+
+    env:
+      SDKROOT: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.config.py }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install --user --no-cache-dir Cython
+          pip install --user -r requirements.txt
+          pip install --user -r requirements_dev.txt
 
-        env:
-            SDKROOT: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
-        steps:
-            - name: CHECKOUT CODE
-              uses: actions/checkout@v3
-            - name: SETUP PYTHON
-              uses: actions/setup-python@v4
-              with:
-                  python-version: ${{ matrix.config.py }}
-            - name: Install dependencies
-              run: |
-                  python -m pip install --upgrade pip
-                  pip install --user --no-cache-dir Cython
-                  pip install --user -r requirements.txt
-                  pip install --user -r requirements_dev.txt
-            - name: PKG-TEST
-              run: |
-                  python -m unittest discover tests/
+      - name: PKG-TEST
+        run: |
+          python -m unittest discover tests/