chore: Remove deprecated Python versions from CI

Author: lavaleri

.github/workflows/ci_tests.yaml

@@ -9,46 +9,6 @@ on:
     - cron: '0 0 * * *'
 
 jobs:
-  # Hypothesis no longer supports Python 2 and
-  # there is a bug that appears with our slow tests
-  # only on Python 2.
-  # Until we also drop Python 2 support,
-  # the workaround is just that we don't run the slow tests
-  # on Python 2.
-  py2-tests:
-    runs-on: ${{ matrix.platform.os }}
-    strategy:
-      fail-fast: true
-      matrix:
-        platform:
-          - os: ubuntu-latest
-            architecture: x64
-          - os: windows-latest
-            architecture: x64
-          # x86 builds are only meaningful for Windows
-          - os: windows-latest
-            architecture: x86
-          - os: macos-latest
-            architecture: x64
-        category:
-          - local-fast
-    # These require credentials.
-    # Enable them once we sort how to provide them.
-    #          - integ-fast
-    #          - examples
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-        with:
-          python-version: 2.7
-          architecture: ${{ matrix.platform.architecture }}
-      - run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade -r ci-requirements.txt
-      - name: run test
-        env:
-          TOXENV: ${{ matrix.category }}
-        run: tox -- -vv
   tests:
     runs-on: ${{ matrix.platform.os }}
     strategy:
@@ -65,8 +25,6 @@ jobs:
           - os: macos-latest
             architecture: x64
         python:
-          - 3.5
-          - 3.6
           - 3.7
           - 3.8
           - 3.9
@@ -111,22 +69,3 @@ jobs:
         env:
           TOXENV: ${{ matrix.category }}
         run: tox -- -vv
-  upstream-py2:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: true
-      matrix:
-        category:
-          - test-upstream-requirements-py27
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
-        with:
-          python-version: 2.7
-      - run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade -r ci-requirements.txt
-      - name: run test
-        env:
-          TOXENV: ${{ matrix.category }}
-        run: tox -- -vv

buildspec.yml

@@ -3,12 +3,6 @@ version: 0.2
 batch:
   fast-fail: false
   build-list:
-    - identifier: python2_7
-      buildspec: codebuild/python2.7.yml
-    - identifier: python3_5
-      buildspec: codebuild/python3.5.yml
-    - identifier: python3_6
-      buildspec: codebuild/python3.6.yml
     - identifier: python3_7
       buildspec: codebuild/python3.7.yml
     - identifier: python3_8