--- title: "How can I fix ImportError cannot import name ComposeResult from textual.app ?" alt_titles: - "Can't import ComposeResult" - "Error about missing ComposeResult from textual.app" --- You likely have an older version of Textual. You can install the latest version by adding the `-U` switch which will force pip to upgrade. The following should do it: ``` pip install textual-dev -U ```