Добавлена кнопка закрыть для метода с ошибками

pym/consolegui/application/ControlButton.py

@@ -207,7 +207,7 @@ class ControlButtonWgt(QtGui.QWidget):
                 if field.guitype == "readonly":
                     button.setDisabled(True)
                 end_layout.addWidget(button)
-        if not has_next:
+        if not has_next and button:
             button.setShortcut(QtGui.QKeySequence(QtCore.Qt.Key_Return))
             button.setShortcut(QtGui.QKeySequence(QtCore.Qt.Key_Enter))
             self.default_button = button
@@ -239,7 +239,10 @@ class ControlButtonWgt(QtGui.QWidget):
         # создать кнопку отмена
         main_frame = self._parent.MainFrameWgt
         self.cancel_button = QtGui.QPushButton(self)
-        self.cancel_button.setText(_('Cancel').decode('utf-8'))
+        if main_frame.mutable:
+            self.cancel_button.setText(_('Cancel').decode('utf-8'))
+        else:
+            self.cancel_button.setText(_('Close').decode('utf-8'))
 
         self.cancel_button.clicked.connect(self.button_disabled)
         self.cancel_button.clicked.connect(self.clear_method_cache)