Drop support for Python 3.6

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["pypy-3.8", "3.6", "3.7", "3.8", "3.9", "3.10"]
+        python-version: ["pypy-3.8", "3.7", "3.8", "3.9", "3.10"]
         os: [ubuntu-latest, macos-latest, windows-latest]
         include:
           # Include new variables for Codecov

.pre-commit-config.yaml

@@ -1,23 +1,23 @@
 repos:
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.29.0
+    rev: v2.29.1
     hooks:
       - id: pyupgrade
-        args: ["--py36-plus"]
+        args: [--py37-plus]
 
   - repo: https://github.com/psf/black
-    rev: 21.9b0
+    rev: 21.11b1
     hooks:
       - id: black
-        args: ["--target-version", "py36"]
+        args: [--target-version=py37]
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.9.3
+    rev: 5.10.1
     hooks:
       - id: isort
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 3.9.2
+    rev: 4.0.1
     hooks:
       - id: flake8
         additional_dependencies: [flake8-2020, flake8-implicit-str-concat]
@@ -48,7 +48,7 @@ repos:
       - id: tox-ini-fmt
 
   - repo: https://github.com/asottile/setup-cfg-fmt
-    rev: v1.18.0
+    rev: v1.20.0
     hooks:
       - id: setup-cfg-fmt
 

pyproject.toml

@@ -3,7 +3,7 @@ requires = ["setuptools>=42", "wheel", "setuptools_scm[toml]>=3.4"]
 build-backend = "setuptools.build_meta"
 
 [tool.black]
-target_version = ["py36"]
+target_version = ["py37"]
 
 [tool.setuptools_scm]
 local_scheme = "no-local-version"

setup.cfg

@@ -17,7 +17,6 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
@@ -38,7 +37,7 @@ project_urls =
 packages = find:
 install_requires =
     importlib-metadata;python_version < '3.8'
-python_requires = >=3.6
+python_requires = >=3.7
 include_package_data = True
 package_dir = =src
 zip_safe = False

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{py3, 310, 39, 38, 37, 36}
+    py{py3, 310, 39, 38, 37}
 
 [testenv]
 passenv =