Issue #420: add missing [str] for Pattern type

tomschr · tomschr · commit 9b332b030b03 · 2023-07-23T10:30:24.000+02:00
diff --git a/src/semver/version.py b/src/semver/version.py
@@ -77,7 +77,7 @@ class Version:
     NAMES: ClassVar[Tuple[str, ...]] = tuple([item[1:] for item in __slots__])
 
     #: Regex for number in a prerelease
-    _LAST_NUMBER: ClassVar[Pattern] = re.compile(r"(?:[^\d]*(\d+)[^\d]*)+")
+    _LAST_NUMBER: ClassVar[Pattern[str]] = re.compile(r"(?:[^\d]*(\d+)[^\d]*)+")
     #: Regex template for a semver version
     _REGEX_TEMPLATE: ClassVar[
         str
@@ -103,12 +103,12 @@ class Version:
             $
         """
     #: Regex for a semver version
-    _REGEX: ClassVar[Pattern] = re.compile(
+    _REGEX: ClassVar[Pattern[str]] = re.compile(
         _REGEX_TEMPLATE.format(opt_patch="", opt_minor=""),
         re.VERBOSE,
     )
     #: Regex for a semver version that might be shorter
-    _REGEX_OPTIONAL_MINOR_AND_PATCH: ClassVar[Pattern] = re.compile(
+    _REGEX_OPTIONAL_MINOR_AND_PATCH: ClassVar[Pattern[str]] = re.compile(
         _REGEX_TEMPLATE.format(opt_patch="?", opt_minor="?"),
         re.VERBOSE,
     )
