A better name for the method.

Author: proofit404

bookshelf/entities/price.py

@@ -19,5 +19,5 @@ class Price(Validated):
     cost: Decimal
     period: int
 
-    def subscription_expiration(self, current_date: datetime) -> datetime:
+    def subscription_will_expire(self, current_date: datetime) -> datetime:
         return current_date + timedelta(days=self.period)

bookshelf/usecases/buy_subscription.py

@@ -69,7 +69,7 @@ def persist_payment(self, ctx):
 
     def persist_subscription(self, ctx):
 
-        expires = ctx.price.subscription_expiration(self.current_date())
+        expires = ctx.price.subscription_will_expire(self.current_date())
         subscription = self.create_subscription(ctx.profile, ctx.category, expires)
         return Success(subscription=subscription)