Fix signing issue on ultra api

Author: cmoutafidis

jup_python_sdk/clients/jupiter_client.py

@@ -92,10 +92,13 @@ def _sign_versioned_transaction(
         wallet_index = account_keys.index(wallet.pubkey())
 
         signers = list(versioned_transaction.signatures)
-        signers[wallet_index] = wallet  # type: ignore
 
-        return VersionedTransaction(
-            versioned_transaction.message, signers  # type: ignore
+        message_bytes = bytes(versioned_transaction.message)
+        your_signature = wallet.sign_message(message_bytes)
+        signers[wallet_index] = your_signature
+
+        return VersionedTransaction.populate(
+            versioned_transaction.message, signers
         )
 
     def _serialize_versioned_transaction(

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "jup-python-sdk"
-version = "1.1.0"
+version = "1.1.1"
 description = "Python SDK for Jupiter Exchange APIs."
 authors = ["Fiji <charismoutafidis@gmail.com>"]
 license = "MIT"
@@ -18,7 +18,7 @@ classifiers = [
 python = "^3.9"
 httpx = "^0.28.1"
 pydantic = "^2.11.3"
-solders = "^0.26.0"
+solders = "^0.27.0"
 base58 = "^2.1.1"
 solana = "^0.36.6"