Check if we have the time field

Author: IsseW

rerun_py/rerun_sdk/rerun/blueprint/api.py

@@ -492,7 +492,7 @@ def _log_to_stream(self, stream: RecordingStream) -> None:
 
         stream.log(self.blueprint_path(), arch)  # type: ignore[attr-defined]
 
-        if self.time is not None:
+        if hasattr(self, "time"):
             static_arch = TimePanelBlueprint(time=self.time)
 
             stream.log(self.blueprint_path(), static_arch, static=True)