Update app file

app.py

@@ -70,8 +70,8 @@ with col2:
     st.markdown('#### Set model parameters')
     postprocess_match_threshold = st.slider(
         label = 'Select confidence threshold',
-        min_value = 0,
-        max_value = 1,
+        min_value = 0.0,
+        max_value = 1.0,
         value = 0.8,
         step = 0.05
     )