fix pydocstyle

tests.py

@@ -382,6 +382,11 @@ def test_metadata_logging(tmp_path):
 
 
 def test_get_available_toolchains():
+    """
+    Test that available toolchains are reported correctly.
+
+    Needs internet access to succeed.
+    """
     toolchains = mod.get_available_toolchains("dev-23a")
     assert sorted(toolchains) == sorted(
         [