diff --git a/src/linkahead/common/models.py b/src/linkahead/common/models.py
index be51e268b398c9188147c7b3422a770c94c6af83..fa2056890b1aa6576ff14c11a99a8bb5d0c45db2 100644
--- a/src/linkahead/common/models.py
+++ b/src/linkahead/common/models.py
@@ -125,7 +125,7 @@ class Entity:
     ):
 
         self.__role = kwargs["role"] if "role" in kwargs else None
-        self._checksum: Optional[str]= None
+        self._checksum: Optional[str] = None
         self._size = None
         self._upload = None
         # If an entity is used (e.g. as parent), it is wrapped instead of being used directly.
@@ -1973,7 +1973,7 @@ class Message(object):
         self,
         type: Optional[str] = None,
         code: Optional[int] = None,
-        description: Optional[str]=None,
+        description: Optional[str] = None,
         body: Optional[str] = None,
     ):  # @ReservedAssignment
         self.description = description