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app.py

@@ -25,11 +25,11 @@ tool_wear = st.number_input("Tool Wear (min)", min_value=0, max_value=300, value
 # Assemble input into DataFrame
 input_data = pd.DataFrame([
 {
-    'Air_temperature': air_temp,
-    'Process_temperature': process_temp,
-    'Rotational_speed': rot_speed,
+    'Air temperature': air_temp,
+    'Process temperature': process_temp,
+    'Rotational speed': rot_speed,
     'Torque': torque,
-    'Tool_wear': tool_wear,
+    'Tool wear': tool_wear,
     'Type': Type
 }])