Make the different linting tools happy

tests/test_parse_header.py

@@ -0,0 +1,26 @@
+# Copyright 2020 Istvan Ruzman
+# SPDX-License-Identifier: MIT OR Apache-2.0
+
+import struct
+
+from pyrad3 import utils
+import pytest
+
+# @pytest.mark.parametrize("header", [
+#     b""])
+# def test_valid_header(header):
+#     utils.parse_header(header)
+
+
+@pytest.mark.parametrize(
+    "header",
+    [
+        b"\1\0" + struct.pack("!H", 5000) + 4996 * b"\0",
+        b"\1\0" + struct.pack("!H", 100),
+        b"\0\0" + struct.pack("!H", 20) + 16 * b"\0",
+        b"",
+    ],
+)
+def test_invalid_header(header):
+    with pytest.raises(utils.PacketError):
+        utils.parse_header(header)