patchnotes post done

gen/openapi_server/models/patch_notes.py

@@ -93,6 +93,8 @@ class PatchNotes(Model):
         :param title: The title of this PatchNotes.
         :type title: str
         """
+        if title is None:
+            raise ValueError("Invalid value for `title`, must not be `None`")  # noqa: E501
 
         self._title = title
 
@@ -114,6 +116,8 @@ class PatchNotes(Model):
         :param changes: The changes of this PatchNotes.
         :type changes: str
         """
+        if changes is None:
+            raise ValueError("Invalid value for `changes`, must not be `None`")  # noqa: E501
 
         self._changes = changes
 
@@ -135,5 +139,7 @@ class PatchNotes(Model):
         :param _date: The _date of this PatchNotes.
         :type _date: str
         """
+        if _date is None:
+            raise ValueError("Invalid value for `_date`, must not be `None`")  # noqa: E501
 
         self.__date = _date