Fix env section location

.github/workflows/examples.yml

@@ -2,31 +2,31 @@ name: Examples
 
 on: [push, pull_request]
 
+env:
+  PIO_INSTALL_DEVPLATFORM_OWNERNAMES: "platformio"
+  PIO_INSTALL_DEVPLATFORM_NAMES: "aceinna_imu,atmelavr,atmelmegaavr,atmelsam,espressif32,espressif8266,nordicnrf52,raspberrypi,ststm32,teensy"
+
 jobs:
   build:
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [3.7]
     runs-on: ${{ matrix.os }}
+
     steps:
       - uses: actions/checkout@v3
         with:
           submodules: "recursive"
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v3
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.7"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install tox
 
-      - name: Configure dev-platform installer
-        env:
-          PIO_INSTALL_DEVPLATFORM_OWNERNAMES: "platformio"
-          PIO_INSTALL_DEVPLATFORM_NAMES: "aceinna_imu,atmelavr,atmelmegaavr,atmelsam,espressif32,espressif8266,nordicnrf52,raspberrypi,ststm32,teensy"
 
       - name: Run on Linux
         if: startsWith(matrix.os, 'ubuntu')