check to see if fiat button already exists on send tab before telling user they must...

diff --git a/plugins/exchange_rate.py b/plugins/exchange_rate.py
index 336168d..a8f65f2 100644 (file)
--- a/plugins/exchange_rate.py
+++ b/plugins/exchange_rate.py
@@ -337,7 +337,10 @@ class Plugin(BasePlugin):
         out = BasePlugin.toggle(self)
         self.win.update_status()
         if self.config.get('use_exchange_rate'):
-            self.gui.main_window.show_message("To see fiat amount when sending bitcoin, please restart Electrum to activate the new GUI settings.")
+            try:
+                self.fiat_button
+            except:
+                self.gui.main_window.show_message("To see fiat amount when sending bitcoin, please restart Electrum to activate the new GUI settings.")
         return out