add ruff. fix all linting

chromy/chunk_functions.py

@@ -1,17 +1,19 @@
+from __future__ import annotations
+
 from pathlib import Path
-from typing import List
+from typing import cast
 
 import semchunk
 
 
-def chunk_text(text: str, chunk_size: int = 800) -> List[str]:
+def chunk_text(text: str, chunk_size: int = 800) -> list[str]:
     chunker = semchunk.chunkerify("gpt-4", chunk_size)
     chunks = chunker(text)
 
-    return chunks
+    return cast("list[str]", chunks)
 
 
-def chunk_file(filename: str, chunk_size: int = 800) -> List[str]:
+def chunk_file(filename: str, chunk_size: int = 800) -> list[str]:
     contents = Path(filename).read_text()
 
     return chunk_text(contents, chunk_size)