diff --git a/cyborg/tests/unit/accelerator/drivers/fpga/intel/prepare_test_data.py b/cyborg/tests/unit/accelerator/drivers/fpga/intel/prepare_test_data.py
index c9183a8d..a4d605c7 100755
--- a/cyborg/tests/unit/accelerator/drivers/fpga/intel/prepare_test_data.py
+++ b/cyborg/tests/unit/accelerator/drivers/fpga/intel/prepare_test_data.py
@@ -202,7 +202,7 @@ def gen_fpga_content(path, dev):
                 f.write(v + "\n")
         elif type(v) is list:
             with open(p, 'a') as f:
-                f.writelines([l + "\n" for l in v])
+                f.writelines([item + "\n" for item in v])
 
 
 def gen_fpga_sub_dir(path):