Update utils/timing.py

utils/timing.py

@@ -19,10 +19,10 @@ class Timer():
         if not Timer.place_holder:
             if self.portuguese:
                 Timer.place_holder = st.empty()
-                Timer.expander = place_holder.expander('Ver progresso')
+                Timer.expander = Timer.place_holder.expander('Ver progresso')
             else:
                 Timer.place_holder = st.empty()
-                Timer.expander = place_holder.expander('See progress')
+                Timer.expander = Timer.place_holder.expander('See progress')
         self.display = Timer.expander.empty()
         Timer.timer_list.append(self)