Implement delay timing

core/clients/signal.py

@@ -42,7 +42,9 @@ def _is_internal_compose_blob_url(value: str) -> bool:
 
 
 def _is_compose_blob_only_text(text_value: str) -> bool:
-    lines = [line.strip() for line in str(text_value or "").splitlines() if line.strip()]
+    lines = [
+        line.strip() for line in str(text_value or "").splitlines() if line.strip()
+    ]
     if not lines:
         return False
     return all(_is_internal_compose_blob_url(line) for line in lines)