Review

Author: cdce8p

pyproject.toml

@@ -11,10 +11,10 @@ authors = [
 ]
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
 readme = "README.rst"
-license = "MIT"
 classifiers = [
 	"Development Status :: 5 - Production/Stable",
 	"Intended Audience :: Developers",
+	"License :: OSI Approved :: MIT License",
 	"Programming Language :: Python :: 3",
 	"Programming Language :: Python :: 3 :: Only",
 	"Topic :: Software Development :: Libraries :: Python Modules",

setuptools/_core_metadata.py

@@ -88,7 +88,7 @@ def read_pkg_file(self, file):
     self.url = _read_field_from_msg(msg, 'home-page')
     self.download_url = _read_field_from_msg(msg, 'download-url')
     self.license = _read_field_unescaped_from_msg(msg, 'license')
-    self.license_expression = _read_field_unescaped_from_msg(msg, 'license_expression')
+    self.license_expression = _read_field_unescaped_from_msg(msg, 'license-expression')
 
     self.long_description = _read_field_unescaped_from_msg(msg, 'description')
     if self.long_description is None and self.metadata_version >= Version('2.1'):