details: Tweak hotplug error dialog buttons

src/virtManager/details.py

@@ -1606,6 +1606,7 @@ class vmmDetails(gobject.GObject):
             _("Device could not be removed from the running machine"),
             detach_err[0] + "\n\n" + detach_err[1],
             text2=_("This change will take effect after the next VM reboot."),
+            buttons=gtk.BUTTONS_OK,
             dialog_type=gtk.MESSAGE_INFO)
 
     # Generic config change helpers
@@ -1679,7 +1680,7 @@ class vmmDetails(gobject.GObject):
                 hotplug_msg += (err1 + "\n\n" + tb + "\n")
 
             self.err.show_err(msg, details=hotplug_msg,
-                              buttons=gtk.BUTTONS_YES_NO,
+                              buttons=gtk.BUTTONS_OK,
                               dialog_type=dtype)
 
         return True

src/virtManager/error.py

@@ -63,7 +63,7 @@ class vmmErrorDialog (object):
                  buttons=gtk.BUTTONS_CLOSE,
                  text2=None):
         if debug:
-            logging.debug("Uncaught Error: %s : %s" % (summary, details))
+            logging.debug("dialog message: %s : %s" % (summary, details))
 
         dialog = _errorDialog(parent=self.get_parent(),
                               type=dialog_type, buttons=buttons)
@@ -205,7 +205,7 @@ class _errorDialog (gtk.MessageDialog):
 
         if details:
             self.buffer.set_text(details)
-            title = title or _("Error")
+            title = title or ""
             self.buf_expander.show()
 
         if chktext: