Update app.py

app.py

@@ -703,11 +703,17 @@ def ingest_docs_to_chroma():
 
     # Add Chunks to ChromaDB
     for chunk in chunks:
-        content = chunk.page_content.strip()
+        # Flatten list content if necessary
+        if isinstance(chunk.page_content, list):
+            content = " ".join(str(item) for item in chunk.page_content).strip()
+        else:
+            content = str(chunk.page_content).strip()
+        
         metadata = chunk.metadata
         doc_id = str(hash(content))
         collection.add(documents=[content], metadatas=[metadata], ids=[doc_id])
 
+
     st.success("✅ Knowledge Base Updated Successfully!")
 
 # --- Search embedded knowledge ---