fix: covert argument type in jwt.encode from ProtectedHeader to dict

sokoliva · sokoliva · commit b680757f450c · 2025-12-12T10:34:47.000Z
diff --git a/src/a2a/utils/signing.py b/src/a2a/utils/signing.py
@@ -75,7 +75,7 @@ def agent_card_signer(agent_card: AgentCard) -> AgentCard:
             payload=payload_dict,
             key=signing_key,
             algorithm=protected_header.get('alg', 'HS256'),
-            headers=protected_header,
+            headers=dict(protected_header),
         )
 
         # The result of jwt.encode is a compact serialization: HEADER.PAYLOAD.SIGNATURE

Original file line number	Diff line number	Diff line change
`@@ -75,7 +75,7 @@ def agent_card_signer(agent_card: AgentCard) -> AgentCard:`
`75`	`75`	`payload=payload_dict,`
`76`	`76`	`key=signing_key,`
`77`	`77`	`algorithm=protected_header.get('alg', 'HS256'),`
`78`		`- headers=protected_header,`
	`78`	`+ headers=dict(protected_header),`
`79`	`79`	`)`
`80`	`80`
`81`	`81`	`# The result of jwt.encode is a compact serialization: HEADER.PAYLOAD.SIGNATURE`