Force encoding when reading setup.cfg. Fixes #760.

Author: jaraco

src/setuptools_scm/_integration/setuptools.py

@@ -14,7 +14,7 @@ def read_dist_name_from_setup_cfg(
     parser = configparser.ConfigParser()
 
     if isinstance(input, (os.PathLike, str)):
-        parser.read([input])
+        parser.read([input], encoding='utf-8')
     else:
         parser.read_file(input)
 

testing/test_integration.py

@@ -156,7 +156,6 @@ def test_distribution_procides_extras() -> None:
 
 
 @pytest.mark.issue(760)
-@pytest.mark.xfail('platform.system() == "Windows"', reason="#760")
 def test_unicode_in_setup_cfg(tmp_path: Path) -> None:
     cfg = tmp_path / "setup.cfg"
     cfg.write_text(