Update pyupgrade to Python 3.7+

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
     rev: v3.3.1
     hooks:
       - id: pyupgrade
-        args: [--py36-plus]
+        args: [--py37-plus]
 
   - repo: https://github.com/psf/black
     rev: 22.12.0

src/packaging/_musllinux.py

@@ -47,7 +47,7 @@ def _get_musl_version(executable: str) -> Optional[_MuslVersion]:
         return None
     if ld is None or "musl" not in ld:
         return None
-    proc = subprocess.run([ld], stderr=subprocess.PIPE, universal_newlines=True)
+    proc = subprocess.run([ld], stderr=subprocess.PIPE, text=True)
     return _parse_musl_version(proc.stderr)
 
 

src/packaging/tags.py

@@ -406,7 +406,7 @@ def mac_platforms(
                 check=True,
                 env={"SYSTEM_VERSION_COMPAT": "0"},
                 stdout=subprocess.PIPE,
-                universal_newlines=True,
+                text=True,
             ).stdout
             version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2])))
     else:

tests/test_musllinux.py

@@ -72,7 +72,7 @@ def mock_run(*args, **kwargs):
             pretend.call(
                 [ld_musl],
                 stderr=subprocess.PIPE,
-                universal_newlines=True,
+                text=True,
             )
         ]
     else: