From 01516ef51274ff350f8b350fd66aaa57c0d36fcf Mon Sep 17 00:00:00 2001
From: Prakhar Pratyush <prakhar@zulip.com>
Date: Thu, 7 Mar 2024 17:07:45 +0530
Subject: [PATCH] invoice_plan: Don't test an Optional value using implicit
 truthiness.

---
 corporate/lib/stripe.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/corporate/lib/stripe.py b/corporate/lib/stripe.py
index 5102ac4a1a..ce14289b66 100644
--- a/corporate/lib/stripe.py
+++ b/corporate/lib/stripe.py
@@ -2793,7 +2793,7 @@ class BillingSession(ABC):
                         }
                     description = f"{plan.name} - renewal"
                 elif licenses_base is not None and ledger_entry.licenses != licenses_base:
-                    assert plan.price_per_license
+                    assert plan.price_per_license is not None
                     last_ledger_entry_renewal = (
                         LicenseLedger.objects.filter(
                             plan=plan, is_renewal=True, event_time__lte=ledger_entry.event_time