Drop support for EOL Python 2.7 and 3.5

Author: hugovk

.github/workflows/CI.yml

@@ -8,13 +8,13 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [2.7, 3.6, 3.9, pypy3]
+        python-version: [3.6, 3.9, pypy3]
         rf-version: [3.1.2, 3.2.2]
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }} with Robot Framework ${{ matrix.rf-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -27,7 +27,6 @@ jobs:
     - name: Run flake8
       run: |
         flake8 --max-line-length=110 src/
-      if: matrix.python-version != '2.7'
     - name: Run unit tests
       run: |
         python utest/run.py

setup.py

@@ -10,13 +10,12 @@
 Development Status :: 5 - Production/Stable
 License :: OSI Approved :: Apache Software License
 Operating System :: OS Independent
-Programming Language :: Python :: 2
-Programming Language :: Python :: 2.7
 Programming Language :: Python :: 3
 Programming Language :: Python :: 3.6
 Programming Language :: Python :: 3.7
 Programming Language :: Python :: 3.8
 Programming Language :: Python :: 3.9
+Programming Language :: Python :: 3 :: Only
 Programming Language :: Python :: Implementation :: CPython
 Programming Language :: Python :: Implementation :: PyPy
 Topic :: Software Development :: Testing
@@ -41,7 +40,7 @@
     keywords         = 'robotframework testing testautomation library development',
     platforms        = 'any',
     classifiers      = CLASSIFIERS,
-    python_requires  = '>=2.7.*, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*, <4',
+    python_requires  = '>=3.6, <4',
     package_dir      = {'': 'src'},
     packages         = find_packages('src'),
     py_modules       = ['robotlibcore'],