diff --git a/mrdna/readers/segmentmodel_from_pdb.py b/mrdna/readers/segmentmodel_from_pdb.py
index e00e3d763bd5c16f6776c599195bd0816a31c332..e42e87d06aa079a89724c6da52b0886cea68cd58 100644
--- a/mrdna/readers/segmentmodel_from_pdb.py
+++ b/mrdna/readers/segmentmodel_from_pdb.py
@@ -258,7 +258,7 @@ def SegmentModelFromPdb(*args,**kwargs):
     bps = find_basepairs(u, centers, transforms)
     stacks = find_stacks(u, centers, transforms)
 
-    pdb.set_trace()
+    # pdb.set_trace()
 
     ## Find three-prime ends
     three_prime = -np.ones(bps.shape, dtype=np.int)