diff --git a/ethosu/vela/test/test_model_reader.py b/ethosu/vela/test/test_model_reader.py
index 23e7e90..bd7ca37 100644
--- a/ethosu/vela/test/test_model_reader.py
+++ b/ethosu/vela/test/test_model_reader.py
@@ -16,6 +16,7 @@
 # Description:
 # Unit tests for model_reader.
 import pytest
+
 from ethosu.vela import model_reader
 from ethosu.vela.errors import InputFileError