Update app.py

app.py

@@ -151,7 +151,7 @@ def update_filtered_data():
 
 def create_slicers(data):
     for col in st.session_state.categorical_columns:
-        if data[col].nunique() <= 10:
+        if col in data.columns and data[col].nunique() <= 10:
             st.session_state.slicers[col] = st.multiselect(
                 f"{col} 선택", 
                 options=sorted(data[col].unique()), 
@@ -163,7 +163,7 @@ def create_slicers(data):
 def apply_slicers(data):
     filtered_data = data.copy()
     for col, selected_values in st.session_state.slicers.items():
-        if selected_values:
+        if col in filtered_data.columns and selected_values:
             filtered_data = filtered_data[filtered_data[col].isin(selected_values)]
     return filtered_data