MAINT: removing python3.7 support

.github/workflows/ci_workflows.yml

@@ -12,9 +12,7 @@ jobs:
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@924441154cf3053034c6513d5e06c69d262fb9a6  # v1.13.0
     with:
       envs: |
-        - linux: py37-test-pytest46
-        - windows: py37-test-pytest50
-        - macos: py38-test-pytest51
+        - macos: py38-test-pytest50
         - linux: py38-test-pytest52
         - windows: py39-test-pytest53
         - macos: py39-test-pytest60

setup.cfg

@@ -11,7 +11,6 @@ classifiers =
     Development Status :: 3 - Alpha
     Intended Audience :: Developers
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
@@ -21,11 +20,11 @@ classifiers =
 [options]
 zip_safe = False
 packages = find:
-python_requires = >=3.7
+python_requires = >=3.8
 setup_requires =
     setuptools_scm
 install_requires =
-    pytest>=4.6
+    pytest>=5.0
 
 [options.extras_require]
 test =

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{37,38,39,310}-test{,-devdeps}
+    py{38,39,310}-test{,-devdeps}
     codestyle
 requires =
     setuptools >= 30.3.0
@@ -12,7 +12,6 @@ changedir = .tmp/{envname}
 description = run tests
 extras = test
 deps =
-    pytest46: pytest==4.6.*
     pytest50: pytest==5.0.*
     pytest51: pytest==5.1.*
     pytest52: pytest==5.2.*