Fix deprecation warning from setuptools (#382)

cjwatson · web-flow · commit c1b416f24de5 · 2024-03-26T17:12:53.000-07:00
diff --git a/setup.cfg b/setup.cfg
@@ -6,7 +6,7 @@ max-line-length = 100
 ignore = F821
 
 [metadata]
-license_file = LICENSE
+license_files = LICENSE
 
 [tool:pytest]
 minversion=2.2.0
