chore: added some suggesttions

Signed-off-by: Manish Dait <daitmanish88@gmail.com>

Author: manishdait

src/hiero_sdk_python/transaction/transaction.py

@@ -408,7 +408,7 @@ def is_signed_by(self, public_key):
 
         return any(sig_pair.pubKeyPrefix == public_key_bytes for sig_pair in sig_map.sigPair)
 
-    def build_transaction_body(self) -> transaction_pb2.Transaction:
+    def build_transaction_body(self) -> transaction_pb2.TransactionBody:
         """
         Abstract method to build the transaction body.
 

tests/integration/file_append_transaction_e2e_test.py

@@ -314,12 +314,13 @@ def test_file_append_chuck_transaction_can_execute_with_manual_freeze(env):
         .set_file_id(file_id)
         .set_chunk_size(1024)
         .set_contents(content)
-        .freeze_with(env.client)
+        .set_transaction_id(TransactionId.generate(env.client.operator_account_id))
+        .set_node_account_id(AccountId(0,0,3))
+        .freeze()
     )
 
-    # tx.sign(env.client.operator_private_key)
+    tx.sign(env.client.operator_private_key)
 
-    print(tx.get_required_chunks())
     receipt = tx.execute(env.client)
 
     assert receipt.status == ResponseCode.SUCCESS

tests/unit/mock_server.py

@@ -180,6 +180,10 @@ def mock_hedera_servers(response_sequences):
             node._close()
 
         client = Client(network)
+
+        for node in client.network.nodes:
+            node._address = node._address._to_insecure()
+
         client.logger.set_level(LogLevel.DISABLED)
         # Set the operator
         key = PrivateKey.generate()