partial tree control fix

sandbox/will/tree.py

@@ -0,0 +1,22 @@
+from textual.app import App
+
+from textual.layout import Container
+from textual.widgets import DirectoryTree
+
+
+class TreeApp(App):
+    CSS = """
+    Screen {
+        overflow: auto;
+
+    }
+        """
+
+    def compose(self):
+        tree = DirectoryTree("~/projects")
+        yield Container(tree)
+
+
+app = TreeApp()
+if __name__ == "__main__":
+    app.run()