Update app.py

app.py

@@ -55,7 +55,7 @@ def store_document(text):
     print("storing document")
 
     # Generate a unique filename
-    filename = os.path.join(DOCS_DIR, f"doc_{len(metadata) + 1}.txt")
+    filename = os.path.join(DOCUMENT_DIR, f"doc_{len(metadata) + 1}.txt")
 
      # Save document in a file
     with open(filename, "w") as f: