address typing errors in "semver.empty_constraint"

poetry/core/semver/empty_constraint.py

@@ -1,36 +1,29 @@
-from typing import TYPE_CHECKING
-
 from .version_constraint import VersionConstraint
 
 
-if TYPE_CHECKING:
-    from . import VersionTypes  # noqa
-    from .version import Version  # noqa
-
-
 class EmptyConstraint(VersionConstraint):
     def is_empty(self) -> bool:
         return True
 
     def is_any(self) -> bool:
         return False
 
-    def allows(self, version: "Version") -> bool:
+    def allows(self, _version: VersionConstraint) -> bool:
         return False
 
-    def allows_all(self, other: "VersionTypes") -> bool:
+    def allows_all(self, other: VersionConstraint) -> bool:
         return other.is_empty()
 
-    def allows_any(self, other: "VersionTypes") -> bool:
+    def allows_any(self, _other: VersionConstraint) -> bool:
         return False
 
-    def intersect(self, other: "VersionTypes") -> "EmptyConstraint":
+    def intersect(self, _other: VersionConstraint) -> "EmptyConstraint":
         return self
 
-    def union(self, other: "VersionTypes") -> "VersionTypes":
+    def union(self, other: VersionConstraint) -> VersionConstraint:
         return other
 
-    def difference(self, other: "VersionTypes") -> "EmptyConstraint":
+    def difference(self, _other: VersionConstraint) -> "EmptyConstraint":
         return self
 
     def __str__(self) -> str:

pyproject.toml

@@ -104,7 +104,10 @@ module = [
   'poetry.core.packages.*',
   'poetry.core.poetry.*',
   'poetry.core.pyproject.*',
-  'poetry.core.semver.*',
+  'poetry.core.semver.helpers.*',
+  'poetry.core.semver.version.*',
+  'poetry.core.semver.version_range.*',
+  'poetry.core.semver.version_union.*',
   'poetry.core.spdx.*',
   'poetry.core.vcs.*',
   'poetry.core.version.*',