diff --git a/cve_bin_tool/output_engine/__init__.py b/cve_bin_tool/output_engine/__init__.py
index 26ce074a29..7a78b25301 100644
--- a/cve_bin_tool/output_engine/__init__.py
+++ b/cve_bin_tool/output_engine/__init__.py
@@ -315,7 +315,7 @@ def output_pdf(
         merge_report,
         exploits: bool = False,
     ):
-        LOGGER.warn("PDF output requires install of reportlab")
+        LOGGER.warning("PDF output requires install of reportlab")
 
 
 class OutputEngine:
diff --git a/test/test_output_engine.py b/test/test_output_engine.py
index 900da977e1..c30e73b48d 100644
--- a/test/test_output_engine.py
+++ b/test/test_output_engine.py
@@ -682,7 +682,8 @@ def test_output_csv(self):
     def test_output_vex(self):
         """Test creating VEX formatted file"""
         self.output_engine.generate_vex(self.MOCK_OUTPUT, "test.vex")
-        self.assertEqual(json.load(open("test.vex")), self.VEX_FORMATTED_OUTPUT[0])
+        with open("test.vex") as f:
+            self.assertEqual(json.load(f), self.VEX_FORMATTED_OUTPUT[0])
         os.remove("test.vex")
 
     @unittest.skipUnless(