Cannot access attribute "addPlot" for class "GraphicsLayoutWidgetWithKeySignal"   Attribute "addPlot" is unknown (reportAttributeAccessIssue)

Argument of type "type[Function]" cannot be assigned to parameter "cls" of type "type[Symbol]" in function "symbols"   "type[Function]" is incompatible with "type[Symbol]"   Type "type[Function]" is incompatible with type "type[Symbol]" (reportArgumentType)