[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

setup.cfg

@@ -12,19 +12,16 @@ classifiers =
     Natural Language :: English
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
 project_urls =
     Source Code =https://github.com/ianhi/detect-arduino
 
 [options]
 packages = find:
 install_requires =
     pyserial
-python_requires = >=3.7
+python_requires = >=3.8
 setup_requires =
-    setuptools_scm
+    setuptools-scm
 
 [flake8]
 exclude = docs,_version.py,.eggs,examples