Drop python 3.6 support (#274)

Author: asvetlov

.github/workflows/ci.yml

@@ -83,10 +83,6 @@ jobs:
             no-extensions: 'Y'
           - os: windows
             no-extensions: 'Y'
-        include:
-          - pyver: pypy3
-            no-extensions: 'Y'
-            os: ubuntu
       fail-fast: false
     runs-on: ${{ matrix.os }}-latest
     timeout-minutes: 15

CHANGES/274.removal

@@ -0,0 +1 @@
+Dropped Python 3.6 support

setup.py

@@ -51,17 +51,17 @@ def read(f):
         'A list-like structure which implements '
         'collections.abc.MutableSequence'
     ),
-    long_description='\n\n'.join((read('README.rst'), read('CHANGES.rst'))),
+    long_description=read('README.rst'),
     long_description_content_type="text/x-rst",
     classifiers=[
         'License :: OSI Approved :: Apache Software License',
         'Intended Audience :: Developers',
         'Programming Language :: Python',
         '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 :: 3.10',
         'Development Status :: 5 - Production/Stable',
         'Operating System :: POSIX',
         'Operating System :: MacOS :: MacOS X',
@@ -84,7 +84,7 @@ def read(f):
     license='Apache 2',
     packages=['frozenlist'],
     ext_modules=ext_modules,
-    python_requires='>=3.6',
+    python_requires='>=3.7',
     install_requires=install_requires,
     include_package_data=True,
     exclude_package_data={"": ["*.c"]},