Drop Python 3.7 support

Because GitHub actions fails with

  The version '3.7' with architecture 'x64' was not found for Ubuntu
  24.04. The list of all available versions can be found here:
  https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json

and it's probably related to

  ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details,
  see actions/runner-images#10636

Author: mgedmin

.github/workflows/build.yml

@@ -20,7 +20,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"

CHANGES.rst

@@ -2,10 +2,10 @@ Changes
 =======
 
 
-2.5.3 (unreleased)
+2.6.0 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Drop support for Python 3.7.
 
 
 2.5.2 (2024-11-27)

appveyor.yml

@@ -4,7 +4,6 @@ environment:
   matrix:
     # https://www.appveyor.com/docs/installed-software#python lists available
     # versions
-    - PYTHON: "C:\\Python37"
     - PYTHON: "C:\\Python38"
     - PYTHON: "C:\\Python39"
     - PYTHON: "C:\\Python310"

findimports.py

@@ -108,7 +108,7 @@
 from operator import attrgetter
 
 
-__version__ = '2.5.3.dev0'
+__version__ = '2.6.0.dev0'
 __author__ = 'Marius Gedminas <[email protected]>'
 __licence__ = 'MIT'
 __url__ = 'https://github.com/mgedmin/findimports'

setup.py

@@ -38,7 +38,6 @@ def read(filename):
         'Intended Audience :: Developers',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
@@ -54,7 +53,7 @@ def read(filename):
             if licence.startswith('MIT') else
         'License :: uhh, dunno',
     ],
-    python_requires='>=3.7',
+    python_requires='>=3.8',
 
     py_modules=['findimports'],
     zip_safe=False,

tox.ini

@@ -1,6 +1,5 @@
 [tox]
 envlist =
-    py37
     py38
     py39
     py310