fix: missing not None check

vyperlang · Dec 16, 2023 · 9754a14 · 9754a14
1 parent 878da48
commit 9754a14
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/boa/vyper/contract.py b/boa/vyper/contract.py
@@ -307,8 +307,8 @@ def _check(cond, msg=""):
         _check(
             err == frame.pretty_vm_reason
             or err == frame.error_detail
-            or err == frame.dev_reason.reason_str,
-            "does not match {args}",
+            or (frame.dev_reason and err == frame.dev_reason.reason_str),
+            f"does not match {args}",
         )
         return