买了 PyCharm 之后一直在做 Console 程序,最近想用 PyQt 开发一些桌面应用。但是引用 PyQt 的时候发现 PyCharm 提示了一个奇怪的错误,内容如下:
Unresolved reference 'QProgressBar' less... (Ctrl+F1)
This inspection detects names that should resolve but don't. Due to dynamic dispatch and duck typing, this is possible in a limited but useful number of cases. Top-level and class-level items are supported better than instance items.

请问如何解决这个问题?
Unresolved reference 'QProgressBar' less... (Ctrl+F1)
This inspection detects names that should resolve but don't. Due to dynamic dispatch and duck typing, this is possible in a limited but useful number of cases. Top-level and class-level items are supported better than instance items.

请问如何解决这个问题?