Fix calc_fov_lon_lat unit test

Author: Hckjs

src/ctapipe/reco/telescope_event_handling.py

@@ -438,7 +438,7 @@ def calc_fov_lon_lat(tel_table, sign_score_limit, prefix="DispReconstructor_tel"
     if sign_score_limit is not None:
         sign_score = tel_table[f"{prefix}_sign_score"]
         mask_sign = np.sign(disp)[:, None] == signs
-        sign_score[sign_score <= sign_score_limit] = 0
+        sign_score[sign_score < sign_score_limit] = 0
         dist_weights[mask_sign] = 1 / (1 + sign_score)
 
     cos_psi = np.cos(hillas_psi)

src/ctapipe/reco/tests/test_telescope_event_handling.py

@@ -108,22 +108,26 @@ def test_calc_fov_lon_lat():
     from ctapipe.reco.telescope_event_handling import calc_fov_lon_lat
 
     prefix = "disp"
+    sign_score_limit = 0.85
     tel_table = Table(
         {
             "hillas_fov_lon": [1, 2, 3] * u.deg,
             "hillas_fov_lat": [4, 5, 6] * u.deg,
             "hillas_psi": [0, 45, 90] * u.deg,
             f"{prefix}_parameter": [1, 2.5, 3] * u.deg,
+            f"{prefix}_sign_score": [0.7, 0.8, 0.9],
         }
     )
 
-    lon, lat = calc_fov_lon_lat(tel_table, prefix)
+    lon, lat, dist_weights = calc_fov_lon_lat(tel_table, sign_score_limit, prefix)
 
     exp_lon = np.array([[0.0, 2.0], [0.23223305, 3.76776695], [3.0, 3.0]])
     exp_lat = np.array([[4.0, 4.0], [3.23223305, 6.76776695], [3.0, 9.0]])
+    exp_dist_weights = np.array([[1, 1], [1, 1], [1, 1 / (1 + 0.9)]])
 
     assert np.allclose(lon, exp_lon)
     assert np.allclose(lat, exp_lat)
+    assert np.allclose(dist_weights, exp_dist_weights)
 
 
 def test_create_combs_array():