Merge pull request #1 from dpdtex/temp1

Bug Fixes

plugins/exchange_rate.py

@@ -337,6 +337,9 @@ class Plugin(BasePlugin):
         out = BasePlugin.toggle(self)
         self.win.update_status()
         if self.config.get('use_exchange_rate'):
+            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
 
@@ -427,6 +430,11 @@ class Plugin(BasePlugin):
                     hist_checkbox.setChecked(False)
                     hist_checkbox.setEnabled(False)
                 self.win.update_status()
+                try:
+                    self.fiat_button
+                except:
+                    pass
+                else:
                     self.fiat_button.setText(cur_request)
 
         def disable_check():