1 files changed, 4 insertions, 1 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/python/templates/BytesHelper.py b/third_party/rust/uniffi_bindgen/src/bindings/python/templates/BytesHelper.py
index 196b5b29fa..4d09531322 100644
--- a/third_party/rust/uniffi_bindgen/src/bindings/python/templates/BytesHelper.py
+++ b/third_party/rust/uniffi_bindgen/src/bindings/python/templates/BytesHelper.py
@@ -7,10 +7,13 @@ class _UniffiConverterBytes(_UniffiConverterRustBuffer):
         return buf.read(size)
 
     @staticmethod
-    def write(value, buf):
+    def check_lower(value):
         try:
             memoryview(value)
         except TypeError:
             raise TypeError("a bytes-like object is required, not {!r}".format(type(value).__name__))
+
+    @staticmethod
+    def write(value, buf):
         buf.write_i32(len(value))
         buf.write(value)