Add YAPF style + ignore, and format tracked Python files

Store/_base.py

@@ -11,6 +11,7 @@ from typing import Any, Dict, List, Optional, Tuple
 
 
 class Store(ABC):
+
     @abstractmethod
     def add_file(self, file_path: Path, **kwargs: Any) -> str:
         raise NotImplementedError
@@ -65,7 +66,12 @@ class Store(ABC):
                 continue
         return changed_any
 
-    def delete_url_bulk(self, items: List[Tuple[str, List[str]]], **kwargs: Any) -> bool:
+    def delete_url_bulk(
+        self,
+        items: List[Tuple[str,
+                          List[str]]],
+        **kwargs: Any
+    ) -> bool:
         """Optional bulk url deletion.
 
         Backends may override this to batch writes (single transaction / request).
@@ -108,12 +114,23 @@ class Store(ABC):
         raise NotImplementedError
 
     @abstractmethod
-    def set_note(self, file_identifier: str, name: str, text: str, **kwargs: Any) -> bool:
+    def set_note(
+        self,
+        file_identifier: str,
+        name: str,
+        text: str,
+        **kwargs: Any
+    ) -> bool:
         """Add or replace a named note for a file."""
         raise NotImplementedError
 
     def selector(
-        self, selected_items: List[Any], *, ctx: Any, stage_is_last: bool = True, **_kwargs: Any
+        self,
+        selected_items: List[Any],
+        *,
+        ctx: Any,
+        stage_is_last: bool = True,
+        **_kwargs: Any
     ) -> bool:
         """Optional hook for handling `@N` selection semantics.