fix: resolve ruff lint errors in modified files

- cli/main.py: replace `Any` type hint with `object` in _fmt_prob (no import needed)
- tests/test_lr_predictor.py: sort import block (ruff I001 auto-fix)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: YichengYang-Ethan

cli/main.py

@@ -632,7 +632,7 @@ def cmd_interview(args: argparse.Namespace) -> None:
     console.print()
 
 
-def _fmt_prob(e: Any) -> str:
+def _fmt_prob(e: object) -> str:
     """Format admission_prob + CI for display, using pre-computed SchoolListEntry fields."""
     prob = getattr(e, "admission_prob", None)
     if prob is None:

tests/test_lr_predictor.py

@@ -2,25 +2,22 @@
 
 from __future__ import annotations
 
-import math
 from unittest.mock import patch
 
 import pytest
 
 from core.lr_predictor import (
     AdmitPrediction,
+    _ci_half_width,
     _logit,
     _sigmoid,
-    _ci_half_width,
-    _compute_logit,
+    get_model_stats,
+    has_model,
     predict_prob,
     predict_prob_full,
-    has_model,
-    get_model_stats,
 )
 from core.models import TestScores, UserProfile
 
-
 # ---------------------------------------------------------------------------
 # Minimal fake model fixture (does not require admission_models.json)
 # ---------------------------------------------------------------------------