diff --git a/src/rune/context_broker.py b/src/rune/context_broker.py
index 61876f26..c16d4724 100644
--- a/src/rune/context_broker.py
+++ b/src/rune/context_broker.py
@@ -315,14 +315,10 @@ def compact_history(
                 *new_older,
             ]
             summary_text = (
-                summarizer(combined)
-                if summarizer is not None
-                else summarize_history(combined, num_ctx=window)
+                summarizer(combined) if summarizer is not None else summarize_history(combined, num_ctx=window)
             )
         else:
-            summary_text = (
-                summarizer(older) if summarizer is not None else summarize_history(older, num_ctx=window)
-            )
+            summary_text = summarizer(older) if summarizer is not None else summarize_history(older, num_ctx=window)
     except Exception as exc:
         from rune.subsystem_health import record_failure
 
@@ -479,13 +475,10 @@ class ContextBroker:
             # otherwise crash the measure step with a raw TypeError outside
             # the T1 degrade path.
             content_ok = isinstance(block.content, str) or (
-                isinstance(block.content, list)
-                and all(isinstance(m, dict) and "content" in m for m in block.content)
+                isinstance(block.content, list) and all(isinstance(m, dict) and "content" in m for m in block.content)
             )
             if not content_ok:
-                exc = TypeError(
-                    f"contributor {name!r} returned malformed content: {type(block.content).__name__}"
-                )
+                exc = TypeError(f"contributor {name!r} returned malformed content: {type(block.content).__name__}")
                 record_failure(name, exc, tier=1)
                 if name not in degraded:
                     degraded.append(name)