diff --git a/src/fs_explorer/caching.py b/src/fs_explorer/caching.py
index 4f7ad8f..72710b0 100644
--- a/src/fs_explorer/caching.py
+++ b/src/fs_explorer/caching.py
@@ -66,12 +66,12 @@ async def parse_and_cache(directory: str, recursive: bool, to_skip: list[str]) -
                 str((Path(root) / d).resolve())
                 for d in dirs
                 if d not in to_skip_resolved
-            ] # type: ignore[invalid-assignment]
+            ]  # type: ignore[invalid-assignment]
             fls[:] = [
                 str((Path(root) / f).resolve())
                 for f in fls
                 if f not in to_skip_resolved
-            ] # type: ignore[invalid-assignment]
+            ]  # type: ignore[invalid-assignment]
             for fl in fls:
                 files.append(str((Path(root) / fl).resolve()))
     semaphore = asyncio.Semaphore(5)
diff --git a/tests/test_fs.py b/tests/test_fs.py
index 399d013..e61370d 100644
--- a/tests/test_fs.py
+++ b/tests/test_fs.py
@@ -70,5 +70,5 @@ async def test_parse_file_without_api_key() -> None:
     content = await parse_file("data/testfile.txt")
     assert (
         content
-        == "Not possible to parse data/testfile.txt as the necessary credentials (`LLAMA_CLOUD_API_KEY`) are not set in the environment"
+        == "Not possible to parse data/testfile.txt because it has not been cached and the necessary credentials (`LLAMA_CLOUD_API_KEY`) are not set in the environment"
     )