Update app.py

app.py

@@ -62,38 +62,31 @@ def query_document(query, faiss_index, document_chunks, model_name="sentence-tra
 
 # Gradio interface
 def chatbot_interface():
-    faiss_index = None
-    document_chunks = None
+    with gr.Blocks() as demo:
+        faiss_index = None
+        document_chunks = None
 
-    # Function to handle document upload
-    def upload_file(file):
-        nonlocal faiss_index, document_chunks
-        faiss_index, document_chunks = process_document(file.name)
-        return "Document uploaded and indexed. You can now ask questions."
+        # Function to handle document upload
+        def upload_file(file):
+            nonlocal faiss_index, document_chunks
+            faiss_index, document_chunks = process_document(file.name)
+            return "Document uploaded and indexed. You can now ask questions."
 
-    # Function to handle user queries
-    def ask_question(query):
-        if faiss_index and document_chunks:
-            return query_document(query, faiss_index, document_chunks)
-        return "Please upload a document first."
+        # Function to handle user queries
+        def ask_question(query):
+            if faiss_index and document_chunks:
+                return query_document(query, faiss_index, document_chunks)
+            return "Please upload a document first."
 
-    # Gradio UI
-    upload = gr.File(label="Upload a PDF document")
-    question = gr.Textbox(label="Ask a question about the document")
-    answer = gr.Textbox(label="Answer", interactive=False)  # Updated to interactive=False
+        # Gradio UI
+        upload = gr.File(label="Upload a PDF document")
+        question = gr.Textbox(label="Ask a question about the document")
+        answer = gr.Textbox(label="Answer", interactive=False)  # Updated to interactive=False
 
-    # Gradio app layout
-    with gr.Blocks() as demo:
+        # Layout for Gradio app
         gr.Markdown("# Document Chatbot")
-        with gr.Row():
-            upload.render()
-        with gr.Row():
-            question.render()
-            answer.render()
-
-    # Bind upload and question functionality
-    upload.upload(upload_file)
-    question.submit(ask_question, inputs=question, outputs=answer)
+        upload.change(upload_file, inputs=upload, outputs=None)  # Trigger file upload
+        question.submit(ask_question, inputs=question, outputs=answer)  # Trigger question submission
 
     demo.launch()