linter: Prevent testing is_file_ignored() with filepath == None

As reported in #548, there might be a problem with pathspec 0.11.1 which does't allow calling `match_file()` with argument `None` anymore. The `linter.run()` function shouldn't call `YamlLintConfig.is_file_ignored(None)` anyway.
adrienverge · Mar 16, 2023 · e6c890b · e6c890b
1 parent 4046563
commit e6c890b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/yamllint/linter.py b/yamllint/linter.py
@@ -223,7 +223,7 @@ def run(input, conf, filepath=None):
     :param input: buffer, string or stream to read from
     :param conf: yamllint configuration object
     """
-    if conf.is_file_ignored(filepath):
+    if filepath is not None and conf.is_file_ignored(filepath):
         return ()
 
     if isinstance(input, (bytes, str)):