Add import order and code format checks to CI

Author: samwelkanda

.github/workflows/ci.yml

@@ -5,34 +5,39 @@ name: msgraph-sdk-python-core
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ dev ]
+    branches: [dev]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: [3.5, 3.6, 3.7, 3.8]
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install pipenv
-        pipenv install --dev
-    - name: Lint with Pylint
-      run: |
-        pipenv run pylint msgraphcore --disable=W --rcfile=.pylintrc
-    - name: Test with unittest
-      run: |
-        pipenv run coverage run -m unittest discover tests/unit
-        pipenv run coverage run -m unittest discover tests/integration
-        pipenv run coverage html
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pipenv
+          pipenv install --dev
+      - name: Check code format
+        run: |
+          pipenv run yapf -dr .
+      - name: Check import order
+        run: |
+          pipenv run isort .
+      - name: Lint with Pylint
+        run: |
+          pipenv run pylint msgraphcore --disable=W --rcfile=.pylintrc
+      - name: Test with unittest
+        run: |
+          pipenv run coverage run -m unittest discover tests/unit
+          pipenv run coverage run -m unittest discover tests/integration
+          pipenv run coverage html