Teeny cleanup

 * `py_object` was unused, so removed
 * `logger.debug(..., filter)` logs the reserved function, not the local variable
 * formatter fix

PiperOrigin-RevId: 446332127

Author: markmcd

tools/tensorflow_docs/api_generator/generate_lib.py

@@ -122,7 +122,6 @@ def write_docs(
   num_docs_output = 0
   for api_node in parser_config.api_tree.iter_nodes():
     full_name = api_node.full_name
-    py_object = api_node.py_object
 
     if api_node.output_type() is api_node.OutputType.FRAGMENT:
       continue
@@ -294,9 +293,8 @@ def __init__(
       search_hints: bool = True,
       site_path: str = 'api_docs/python',
       private_map: Optional[Dict[str, str]] = None,
-      visitor_cls: Type[
-          doc_generator_visitor.DocGeneratorVisitor] = doc_generator_visitor
-      .DocGeneratorVisitor,
+      visitor_cls: Type[doc_generator_visitor.DocGeneratorVisitor] = (
+          doc_generator_visitor.DocGeneratorVisitor),
       api_cache: bool = True,
       callbacks: Optional[List[public_api.ApiFilter]] = None,
       yaml_toc: Union[bool, Type[toc_lib.TocBuilder]] = True,

tools/tensorflow_docs/api_generator/traverse.py

@@ -85,7 +85,7 @@ def get_children(self, root, new_stack, path) -> public_api.Children:
       new_names = [n for n, c in children]
 
       if old_names != new_names:
-        _LOGGER.debug('  filter: %s', filter)
+        _LOGGER.debug('  filter: %s', fil)
         _LOGGER.debug('    children: %s', new_names)
 
     return children