Update app.py

app.py

@@ -101,7 +101,7 @@ def main():
     )
 
     age = st.number_input('Enter Patient Age:', min_value=0, step=1)
-    aca_magnitude = st.number_input('Enter ACA Magnitude:', step=0.1)
+    aca_magnitude = st.number_input('Enter ACA Magnitude:', min_value=0, step=0.1)
     aca_axis = st.number_input('Enter ACA Axis:', min_value=0, max_value=180, step=1)
 
     if st.button('Predict!'):