suppress deprecation warning

yattom · yattom · commit 03b1dbb50aee · 2021-05-10T17:27:32.000+09:00
diff --git a/setup.cfg b/setup.cfg
@@ -1,5 +1,5 @@
 [metadata]
-license-file = LICENSE
+license_file = LICENSE
 
 [wheel]
 universal = 1
