Update app.py

app.py

@@ -133,6 +133,11 @@ def perform_clustering(df, features):
     
     return result_text, fig, elbow_fig
 
+def update_variable_options(df):
+    if df is not None:
+        return gr.Dropdown.update(choices=df.columns), gr.Dropdown.update(choices=df.columns)
+    return gr.Dropdown.update(choices=[]), gr.Dropdown.update(choices=[])
+
 # Gradio 인터페이스 설정
 with gr.Blocks() as demo:
     gr.Markdown("# 고급 한국어 데이터 분석 앱")
@@ -158,13 +163,10 @@ with gr.Blocks() as demo:
     
     df = gr.State()
     
-    def update_variable_options(df):
-        if df is not None:
-            return gr.Dropdown.update(choices=df.columns), gr.Dropdown.update(choices=df.columns)
-        return gr.Dropdown.update(choices=[]), gr.Dropdown.update(choices=[])
+    upload_button.click(process_file, inputs=file_input, outputs=[df, upload_output]).then(
+        update_variable_options, inputs=[df], outputs=[target_variable, feature_variables]
+    )
     
-    upload_button.click(process_file, inputs=file_input, outputs=[df, upload_output])
-    df.change(update_variable_options, inputs=[df], outputs=[target_variable, feature_variables])
     analyze_button.click(
         analyze_data,
         inputs=[df, query_input, target_variable, feature_variables],