Update app.py

added json import

app.py

@@ -1,4 +1,5 @@
 import gradio as gr
+import json
 import os
 import pdfplumber
 import together
@@ -57,14 +58,20 @@ def store_document(text):
     # Generate a unique filename
     filename = os.path.join(DOCUMENT_DIR, f"doc_{len(metadata) + 1}.txt")
 
-     # Save document in a file
+    print(filename)
+    
+    # Save document in a file
     with open(filename, "w") as f:
         f.write(text)
+
+    print("document saved")
     
    # Generate and store embedding
     embedding = embedding_model.encode([text]).astype(np.float32)
     index.add(embedding)
 
+    print("emeddings generated")
+    
      # Update metadata
     metadata[len(metadata)] = filename
     with open(METADATA_FILE, "w") as f: