Fix release blockers and deployment build

apps/sources/tasks.py

@@ -20,7 +20,11 @@ from apps.sources.services.fetcher import (
     RateLimitedError,
     fetch_url,
 )
-from apps.sources.services.health import canary_recovery_sources, evaluate_source_health, start_health_canary
+from apps.sources.services.health import (
+    canary_recovery_sources,
+    evaluate_source_health,
+    start_health_canary,
+)
 from apps.sources.services.policy import assess_url
 from apps.sources.services.scheduling import (
     acquire_source_lease,
@@ -82,9 +86,7 @@ def fetch_source(self, source_id: int, force: bool = False) -> dict[str, object]
     try:
         fetched = fetch_url(source.base_url, source=source, conditional_headers=headers)
         if fetched.status_code == 304:
-            source.schedule_after_success(
-                jitter_seconds=calculate_success_jitter_seconds(source)
-            )
+            source.schedule_after_success(jitter_seconds=calculate_success_jitter_seconds(source))
             run.finish(SourceRun.Status.SUCCESS, http_status=304)
             return {"status": "not_modified"}
         content_type = fetched.headers.get("content-type", "")
@@ -110,9 +112,7 @@ def fetch_source(self, source_id: int, force: bool = False) -> dict[str, object]
         source.etag = fetched.headers.get("etag", source.etag)
         source.last_modified = fetched.headers.get("last-modified", source.last_modified)
         source.save(update_fields=["etag", "last_modified", "updated_at"])
-        source.schedule_after_success(
-            jitter_seconds=calculate_success_jitter_seconds(source)
-        )
+        source.schedule_after_success(jitter_seconds=calculate_success_jitter_seconds(source))
         run.finish(
             SourceRun.Status.SUCCESS,
             http_status=fetched.status_code,
@@ -159,9 +159,7 @@ def fetch_source(self, source_id: int, force: bool = False) -> dict[str, object]
         )
         return {"status": "timeout", "backoff": backoff}
     except FetchError as exc:
-        backoff = calculate_failure_backoff_seconds(
-            source, failure_count=source.failure_count + 1
-        )
+        backoff = calculate_failure_backoff_seconds(source, failure_count=source.failure_count + 1)
         source.schedule_after_failure(now=timezone.now(), backoff_seconds=backoff)
         run.finish(
             SourceRun.Status.FAILED,