Update README.md

fix: used wrong target directory to check for cached download

README.md

@@ -44,18 +44,18 @@ from langchain.vectorstores.faiss import FAISS
 from huggingface_hub import snapshot_download
 
 # download the vectorstore for the book you want
-book="1984"
+BOOK="1984"
 cache_dir=f"{book}_cache"
 vectorstore = snapshot_download(repo_id="calmgoose/book-embeddings",
                                 repo_type="dataset",
                                 revision="main",
-                                allow_patterns=f"books/{book}/*", # to download only the one book
+                                allow_patterns=f"books/{BOOK}/*", # to download only the one book
                                 cache_dir=cache_dir,
                                 )
 
 # get path to the `vectorstore` folder that you just downloaded
 # we'll look inside the `cache_dir` for the folder we want
-target_dir = f"books/{book}"
+target_dir = BOOK
 
 # Walk through the directory tree recursively
 for root, dirs, files in os.walk(cache_dir):