get_transaction_problems and get_transaction_metadata to return a list

Author: Sameera Salameh

railib/api.py

@@ -300,15 +300,15 @@ def get_transaction(ctx: Context, id: str) -> dict:
     return _get_resource(ctx, f"{PATH_TRANSACTIONS}/{id}", key="transaction")
 
 
-def get_transaction_metadata(ctx: Context, id: str) -> dict:
+def get_transaction_metadata(ctx: Context, id: str) -> list:
     return _get_collection(ctx, f"{PATH_TRANSACTIONS}/{id}/metadata")
 
 
 def list_transactions(ctx: Context) -> list:
     return _get_collection(ctx, PATH_TRANSACTIONS, key="transactions")
 
 
-def get_transaction_problems(ctx: Context, id: str) -> dict:
+def get_transaction_problems(ctx: Context, id: str) -> list:
     return _get_collection(ctx, f"{PATH_TRANSACTIONS}/{id}/problems")