Update with requested changes from @andymckay

ci/python-package-conda.yml

@@ -7,15 +7,13 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       max-parallel: 5
-      matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: 3.8
     - name: Install dependencies
       run: |
         # $CONDA is an environment variable pointing to the root of the miniconda directory
@@ -31,36 +29,3 @@ jobs:
       run: |
         conda install pytest
         $CONDA/bin/pytest
-
-  build-windows:
-    runs-on: windows-latest
-    strategy:
-      max-parallel: 5
-      matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        C:\Miniconda\condabin\conda.bat env update --file environment.yml --name base
-        C:\Miniconda\condabin\conda.bat init powershell
-    - name: Lint with flake8
-      run: |
-        # Activate the base environment
-        C:\Miniconda\condabin\conda.bat activate base
-        C:\Miniconda\condabin\conda.bat install flake8
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
-      run: |
-        # Activate the base environment
-        C:\Miniconda\condabin\conda.bat activate base
-        C:\Miniconda\condabin\conda.bat install pytest
-        pytest