done

lib/python3.11/site-packages/dash/_get_app.py

@@ -0,0 +1,20 @@
+from textwrap import dedent
+
+APP = None
+
+
+def get_app():
+    if APP is None:
+        raise Exception(
+            dedent(
+                """
+                App object is not yet defined.  `app = dash.Dash()` needs to be run
+                before `dash.get_app()` is called and can only be used within apps that use
+                the `pages` multi-page app feature: `dash.Dash(use_pages=True)`.
+
+                `dash.get_app()` is used to get around circular import issues when Python files
+                within the pages/` folder need to reference the `app` object.
+                """
+            )
+        )
+    return APP