Update app.py

app.py

@@ -14,7 +14,8 @@ from langchain_community.retrievers import BM25Retriever
 from langchain_community.vectorstores import FAISS
 from langchain_core.embeddings import Embeddings
 from langchain_core.documents import Document
-from collections import defaultdict
+from collections import
+ defaultdict
 import hashlib
 from tqdm import tqdm
 from dotenv import load_dotenv
@@ -212,10 +213,10 @@ class EnhancedRetriever:
 
 # --- Generation System ---
 SYSTEM_PROMPT = """**Biomimicry Expert Guidelines**
-1. Base answers strictly on context
-2. Cite sources as [Source]
+1. Firstly Base answers strictly on context and if there is not context answer by your own.
+2. Cite sources as [Source] witht the hyperlink
 3. **Bold** technical terms
-4. Include reference links
+4. Include reference links at the end of the response
 
 Context: {context}"""