Update app.py

app.py

@@ -46,7 +46,7 @@ css="""
 """
 
 title = """
-<div style="text-align: center;max-width: 700px;>
+<div style="text-align: center;max-width: 700px;">
     <h1>Chat with PDF</h1>
     <p style="text-align: center;">Upload a .PDF from your computer, click the "Load PDF to LangChain" button, <br />
     when everything is ready, you can start asking questions about the pdf ;)</p>
@@ -57,16 +57,16 @@ title = """
 with gr.Blocks() as demo:
     with gr.Column(elem_id="col-container"):
         gr.HTML(title)
+        
+        with gr.Row():
+            pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
+            langchain_status = gr.Textbox(label="Status")
+            load_pdf = gr.Button("Load pdf to langchain")
+        
+        chatbot = gr.Chatbot([], elem_id="chatbot").style(height=350)
         with gr.Row():
-            with gr.Column():
-                pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
-                langchain_status = gr.Textbox()
-                load_pdf = gr.Button("Load pdf to langchain")
-            with gr.Column():
-                chatbot = gr.Chatbot([], elem_id="chatbot").style(height=350)
-                with gr.Row():
-                    question = gr.Textbox(label="Question")
-                    clear = gr.Button("Clear")
+            question = gr.Textbox(label="Question")
+            clear = gr.Button("Clear")
         
     load_pdf.click(pdf_changes, pdf_doc, langchain_status, queue=False)
     question.submit(add_text, [chatbot, question], [chatbot, question]).then(