Target Python 3.7+, enable Ruff upgrades

Author: akx

.github/workflows/main.yml

@@ -19,7 +19,6 @@ jobs:
     strategy:
       matrix:
         tox_env:
-          - py36
           - py37
           - py38
           - py39

README.md

@@ -24,7 +24,6 @@ python setup.py install
 
 ### Supported Python versions in API v2.0.1
 
-- Python 3.6
 - Python 3.7
 - Python 3.8
 - Python 3.9

pyproject.toml

@@ -1,9 +1,10 @@
 [tool.black]
 line-length = 99
-target-version = ['py36']
+target-version = ['py37']
 skip-string-normalization = true
 
 [tool.ruff]
+target-version = "py37"
 exclude = [
     ".git",
     "ENV",
@@ -34,6 +35,7 @@ select = [
     "F",
     "I",
     "S",
+    "UP",
     "W",
 ]
 

setup.cfg

@@ -11,7 +11,7 @@ packages=['upcloud_api', 'upcloud_api.cloud_manager']
 license = MIT
 
 [options]
-python_requires = >=3.6, <4
+python_requires = >=3.7, <4
 setup_requires =
     setuptools
 install_requires =

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py36, py37, py38, py39, pypy3
+envlist = py37, py38, py39, pypy3
 skip_missing_interpreters = True
 
 [testenv]