Update app.py

app.py

@@ -58,8 +58,8 @@ def plot_ui():
     )
 
 @module.server
-def plot_server(input, output, session, r, v, colours):
-    opacity = reactive.value(0.5)
+def plot_server(input, output, session, r):
+    # opacity = reactive.value(0.5)
 
     # @reactive.effect
     # @reactive.event(input.opacity_slider)