Fix end-state flag at lambda=0.

lohedges · lohedges · commit 684b89ae7cf0 · 2026-01-29T14:04:02.000Z
diff --git a/src/ghostly/_ghostly.py b/src/ghostly/_ghostly.py
@@ -279,7 +279,7 @@ def modify(system, k_hard=100, k_soft=5, optimise_angles=True, num_optimise=10):
                 )
 
             # Remove any improper dihedrals connecting ghosts to the physical region.
-            mol = _remove_impropers(mol, ghosts0, modifications, is_lambda1=True)
+            mol = _remove_impropers(mol, ghosts0, modifications, is_lambda1=False)
 
         # Now lambda = 1.
         for b in bridges1:

Original file line number	Diff line number	Diff line change
`@@ -279,7 +279,7 @@ def modify(system, k_hard=100, k_soft=5, optimise_angles=True, num_optimise=10):`
`279`	`279`	`)`
`280`	`280`
`281`	`281`	`# Remove any improper dihedrals connecting ghosts to the physical region.`
`282`		`- mol = _remove_impropers(mol, ghosts0, modifications, is_lambda1=True)`
	`282`	`+ mol = _remove_impropers(mol, ghosts0, modifications, is_lambda1=False)`
`283`	`283`
`284`	`284`	`# Now lambda = 1.`
`285`	`285`	`for b in bridges1:`