[App] Temporarily disable ready (#15958)

Author: ethanwharris

src/lightning_app/core/app.py

@@ -486,7 +486,15 @@ def _run(self) -> bool:
         """
         self._original_state = deepcopy(self.state)
         done = False
-        self.ready = self.root.ready
+
+        # TODO: Re-enable the `ready` property once issues are resolved
+        if not self.root.ready:
+            warnings.warn(
+                "One of your Flows returned `.ready` as `False`. "
+                "This feature is not yet enabled so this will be ignored.",
+                UserWarning,
+            )
+        self.ready = True
 
         self._start_with_flow_works()
 

src/lightning_app/core/flow.py

@@ -232,7 +232,10 @@ def __getattr__(self, item):
 
     @property
     def ready(self) -> bool:
-        """Override to customize when your App should be ready."""
+        """Not currently enabled.
+
+        Override to customize when your App should be ready.
+        """
         flows = self.flows
         return all(flow.ready for flow in flows.values()) if flows else True