diff --git a/wavinfo/wave_dbmd_reader.py b/wavinfo/wave_dbmd_reader.py
index 4c7030a..24767d8 100644
--- a/wavinfo/wave_dbmd_reader.py
+++ b/wavinfo/wave_dbmd_reader.py
@@ -493,8 +493,8 @@ class DolbyAtmosMetadata:
 
     @classmethod
     def load(cls, data: bytes):
-        assert(len(data) == cls.SEGMENT_LENGTH, 
-            "DolbyAtmosMetadata segment present in file is incorrect length")
+        assert len(data) == cls.SEGMENT_LENGTH, 
+            "DolbyAtmosMetadata segment present in file is incorrect length" 
 
         h = BytesIO(data)