Fix circular import

openfold/np/relax/amber_minimize.py

@@ -24,14 +24,7 @@ from openfold.np import (
     protein,
     residue_constants,
 )
-from openfold.utils.loss import (
-    find_structural_violations_np, 
-    compute_violation_metrics_np,
-)
-
-find_structural_violations = find_structural_violations_np
-compute_violation_metrics = compute_violation_metrics_np
-
+import openfold.utils.loss as loss
 from openfold.np.relax import cleanup, utils
 import ml_collections
 import numpy as np
@@ -343,14 +336,14 @@ def find_violations(prot_np: protein.Protein):
   batch["seq_mask"] = np.ones_like(batch["aatype"], np.float32)
   batch = make_atom14_positions(batch)
 
-  violations = find_structural_violations(
+  violations = loss.find_structural_violations_np(
       batch=batch,
       atom14_pred_positions=batch["atom14_gt_positions"],
       config=ml_collections.ConfigDict(
           {"violation_tolerance_factor": 12,  # Taken from model config.
            "clash_overlap_tolerance": 1.5,  # Taken from model config.
           }))
-  violation_metrics = compute_violation_metrics(
+  violation_metrics = loss.compute_violation_metrics_np(
       batch=batch,
       atom14_pred_positions=batch["atom14_gt_positions"],
       violations=violations,