diff --git a/opencl_fdfd/main.py b/opencl_fdfd/main.py
index 69b6070..e1341e8 100644
--- a/opencl_fdfd/main.py
+++ b/opencl_fdfd/main.py
@@ -175,4 +175,4 @@ def cg_solver(omega, dxes, J, epsilon, mu=None, pec=None, pmc=None, adjoint=Fals
         # Remember we conjugated all the contents of A earlier
         A0 = A0.T
     print('Post-everything residual:', norm(A0 @ x - b) / norm(b))
-    return x
\ No newline at end of file
+    return x