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Expand the docstring for action_back

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Dave Pearson
2023-04-24 15:01:05 +01:00
parent 7f4699605e
commit d1ff1b33d6
1 changed files with 7 additions and 1 deletions
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8
src/textual/app.py
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@@ -2462,7 +2462,13 @@ class App(Generic[ReturnType], DOMNode):
self.pop_screen()
async def action_back(self) -> None:
"""An [action](/guide/actions) to go back to the previous screen (pop the current screen)."""
"""An [action](/guide/actions) to go back to the previous screen (pop the current screen).
Note:
If there is no screen to go back to, this is a non-operation (in
other words it's safe to call even if there are no other screens
on the stack.)
"""
try:
self.pop_screen()
except ScreenStackError: