Annotate braintree's Subscription.find() and Transaction.find()

Author: cuu508

stubs/braintree/braintree/subscription.pyi

@@ -31,7 +31,7 @@ class Subscription(Resource):
     @staticmethod
     def create_signature(): ...
     @staticmethod
-    def find(subscription_id): ...
+    def find(subscription_id: str) -> Subscription: ...
     @staticmethod
     def retry_charge(subscription_id, amount=None, submit_for_settlement: bool = False): ...
     @staticmethod

stubs/braintree/braintree/transaction.pyi

@@ -102,7 +102,7 @@ class Transaction(Resource):
     @staticmethod
     def credit(params=None): ...
     @staticmethod
-    def find(transaction_id): ...
+    def find(transaction_id: str) -> Transaction: ...
     @staticmethod
     def refund(transaction_id, amount_or_options=None): ...
     @staticmethod