update template code

tests/test_a4.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+
+from datetime import datetime
+from pathlib import Path
+import pytest
+
+from . import check_bad_imports
+from mmp.a4 import anchor_grid, label_grid, dataset
+
+current_assignment = pytest.mark.skipif(
+    not (datetime(2025, 11, 6) <= datetime.now() <= datetime(2025, 11, 12, 23, 59, 59)),
+    reason="This is not the current assignment.",
+)
+
+
+@current_assignment
+def test_no_abs_import():
+    paths = list(Path().glob("mmp/a4/*.py"))
+    check_bad_imports(paths)
+
+
+@current_assignment
+def test_anchor_grid():
+    grid = anchor_grid.get_anchor_grid(
+        num_rows=4,
+        num_cols=5,
+        scale_factor=12.0,
+        anchor_widths=[30.0, 80.0],
+        aspect_ratios=[0.5, 1.0],
+    )
+    assert grid.ndim == 5
+    assert grid.shape[-1] == 4
+
+
+@current_assignment
+def test_iou():
+    label_grid.iou
+
+
+@current_assignment
+def test_label_grid():
+    lg, *_ = label_grid.get_label_grid(
+        anchor_grid=anchor_grid.get_anchor_grid(2, 2, 10, [10.0], [1.0]),
+        gts=[],
+        min_iou=0.5,
+    )
+    assert lg.dtype == bool
+
+
+@current_assignment
+def test_dataset():
+    dataset.MMP_Dataset
+    dataset.calculate_max_coverage