diff --git a/github/Label.py b/github/Label.py
index c8703cd3..9473a796 100644
--- a/github/Label.py
+++ b/github/Label.py
@@ -28,79 +28,61 @@
 # along with PyGithub. If not, see <http://www.gnu.org/licenses/>.             #
 #                                                                              #
 ################################################################################
-
 import urllib.parse
 from typing import Any, Dict
 
-import github.GithubObject
-
-from . import Consts
+from github import Consts
+from github.GithubObject import Attribute, CompletableGithubObject, NotSet, Opt, is_optional
 
 
-class Label(github.GithubObject.CompletableGithubObject):
+class Label(CompletableGithubObject):
     """
     This class represents Labels. The reference can be found here https://docs.github.com/en/rest/reference/issues#labels
     """
 
+    def _initAttributes(self) -> None:
+        self._color: Attribute[str] = NotSet
+        self._description: Attribute[str] = NotSet
+        self._name: Attribute[str] = NotSet
+        self._url: Attribute[str] = NotSet
+
     def __repr__(self) -> str:
         return self.get__repr__({"name": self._name.value})
 
     @property
-    def color(self):
-        """
-        :type: string
-        """
+    def color(self) -> str:
         self._completeIfNotSet(self._color)
         return self._color.value
 
     @property
-    def description(self):
-        """
-        :type: string
-        """
+    def description(self) -> str:
         self._completeIfNotSet(self._description)
         return self._description.value
 
     @property
-    def name(self):
-        """
-        :type: string
-        """
+    def name(self) -> str:
         self._completeIfNotSet(self._name)
         return self._name.value
 
     @property
-    def url(self):
-        """
-        :type: string
-        """
+    def url(self) -> str:
         self._completeIfNotSet(self._url)
         return self._url.value
 
-    def delete(self):
+    def delete(self) -> None:
         """
         :calls: `DELETE /repos/{owner}/{repo}/labels/{name} <https://docs.github.com/en/rest/reference/issues#labels>`_
-        :rtype: None
         """
         headers, data = self._requester.requestJsonAndCheck("DELETE", self.url)
 
-    def edit(self, name, color, description=github.GithubObject.NotSet):
+    def edit(self, name: str, color: str, description: Opt[str] = NotSet) -> None:
         """
         :calls: `PATCH /repos/{owner}/{repo}/labels/{name} <https://docs.github.com/en/rest/reference/issues#labels>`_
-        :param name: string
-        :param color: string
-        :param description: string
-        :rtype: None
         """
         assert isinstance(name, str), name
         assert isinstance(color, str), color
-        assert description is github.GithubObject.NotSet or isinstance(description, str), description
-        post_parameters = {
-            "new_name": name,
-            "color": color,
-        }
-        if description is not github.GithubObject.NotSet:
-            post_parameters["description"] = description
+        assert is_optional(description, str), description
+        post_parameters = NotSet.remove_unset_items({"new_name": name, "color": color, "description": description})
         headers, data = self._requester.requestJsonAndCheck(
             "PATCH",
             self.url,
@@ -110,15 +92,9 @@ class Label(github.GithubObject.CompletableGithubObject):
         self._useAttributes(data)
 
     @property
-    def _identity(self):
+    def _identity(self) -> str:
         return urllib.parse.quote(self.name)
 
-    def _initAttributes(self) -> None:
-        self._color = github.GithubObject.NotSet
-        self._description = github.GithubObject.NotSet
-        self._name = github.GithubObject.NotSet
-        self._url = github.GithubObject.NotSet
-
     def _useAttributes(self, attributes: Dict[str, Any]) -> None:
         if "color" in attributes:  # pragma no branch
             self._color = self._makeStringAttribute(attributes["color"])
diff --git a/github/Label.pyi b/github/Label.pyi
deleted file mode 100644
index f205c8b6..00000000
--- a/github/Label.pyi
+++ /dev/null
@@ -1,20 +0,0 @@
-from typing import Any, Dict, Optional, Union
-
-from github.GithubObject import CompletableGithubObject, _NotSetType
-
-class Label(CompletableGithubObject):
-    def __repr__(self) -> str: ...
-    @property
-    def _identity(self) -> str: ...
-    def _initAttributes(self) -> None: ...
-    def _useAttributes(self, attributes: Dict[str, Any]) -> None: ...
-    @property
-    def color(self) -> str: ...
-    def delete(self) -> None: ...
-    @property
-    def description(self) -> Optional[str]: ...
-    def edit(self, name: str, color: str, description: Union[str, _NotSetType] = ...) -> None: ...
-    @property
-    def name(self) -> str: ...
-    @property
-    def url(self) -> str: ...