Fix ruff import ordering and Black formatting errors

Author: AAdewunmi

policylens/apps/claims/ml/contracts.py

@@ -14,7 +14,8 @@
 from __future__ import annotations
 
 import hashlib
-from typing import Final, Sequence
+from collections.abc import Sequence
+from typing import Final
 
 # Contract version should bump only when FEATURE_NAMES meaning or order changes.
 FEATURE_CONTRACT_VERSION: Final[str] = "v1"
@@ -28,14 +29,12 @@
     "priority_is_low",
     "summary_length",
     "summary_has_digits",
-
     # Document metadata
     "documents_count",
     "documents_total_bytes",
     "documents_has_pdf",
     "documents_has_image",
     "documents_has_text",
-
     # Checklist completeness (if present)
     "checklist_required_count",
     "checklist_satisfied_count",

policylens/apps/claims/ml/features.py

@@ -56,7 +56,9 @@ def extract_features(*, claim: Claim) -> FeatureResult:
     documents_count = float(docs.count())
     documents_total_bytes = float(sum((d.size_bytes or 0) for d in docs))
     documents_has_pdf = any((d.content_type or "").lower() == "application/pdf" for d in docs)
-    documents_has_image = any((d.content_type or "").lower() in {"image/jpeg", "image/png"} for d in docs)
+    documents_has_image = any(
+        (d.content_type or "").lower() in {"image/jpeg", "image/png"} for d in docs
+    )
     documents_has_text = any((d.content_type or "").lower() == "text/plain" for d in docs)
 
     checklist = ChecklistItem.objects.filter(claim=claim)

tests/test_ml_feature_contract.py

@@ -12,7 +12,7 @@
 
 from policylens.apps.claims.ml.contracts import FEATURE_NAMES, feature_contract_hash
 from policylens.apps.claims.ml.features import extract_features
-from policylens.apps.claims.models import Claim, ClaimDocument, ChecklistItem
+from policylens.apps.claims.models import ChecklistItem, Claim, ClaimDocument
 from tests.factories import PolicyFactory
 
 
@@ -40,8 +40,12 @@ def test_extract_features_returns_values_aligned_to_feature_names(settings, tmp_
         created_by="tester",
     )
 
-    ChecklistItem.objects.create(claim=claim, key="id", label="ID", is_required=True, is_satisfied=False)
-    ChecklistItem.objects.create(claim=claim, key="addr", label="Address", is_required=True, is_satisfied=True)
+    ChecklistItem.objects.create(
+        claim=claim, key="id", label="ID", is_required=True, is_satisfied=False
+    )
+    ChecklistItem.objects.create(
+        claim=claim, key="addr", label="Address", is_required=True, is_satisfied=True
+    )
 
     uploaded = SimpleUploadedFile("doc.pdf", b"pdfdata", content_type="application/pdf")
     ClaimDocument.objects.create(