1 files changed, 2 insertions, 2 deletions
diff --git a/jwt/exceptions.py b/jwt/exceptions.py
index ee201ad..dbe0056 100644
--- a/jwt/exceptions.py
+++ b/jwt/exceptions.py
@@ -47,10 +47,10 @@ class InvalidAlgorithmError(InvalidTokenError):
 
 
 class MissingRequiredClaimError(InvalidTokenError):
-    def __init__(self, claim):
+    def __init__(self, claim: str) -> None:
         self.claim = claim
 
-    def __str__(self):
+    def __str__(self) -> str:
         return f'Token is missing the "{self.claim}" claim'