Merge pull request #990 from 1ace/directory-tee-fix-folder

DirectoryTree: remove example code as examples/code_browser.py already covers that

src/textual/widgets/_directory_tree.py

@@ -10,7 +10,6 @@ import rich.repr
 
 from rich.text import Text
 
-from .. import events
 from ..message import Message
 from .._types import MessageTarget
 from ._tree_control import TreeControl, TreeNode
@@ -118,14 +117,3 @@ class DirectoryTree(TreeControl[DirEntry]):
                 message.node.expand()
             else:
                 message.node.toggle()
-
-
-if __name__ == "__main__":
-    from textual import events
-    from textual.app import App
-
-    class TreeApp(App):
-        async def on_mount(self, event: events.Mount) -> None:
-            await self.screen.dock(DirectoryTree("/Users/willmcgugan/projects"))
-
-    TreeApp(log_path="textual.log").run()