Update desc/objectives/_quadcoil.py

Co-authored-by: Yigit Gunsur Elmacioglu <102380275+YigitElma@users.noreply.github.com>

Author: lankef

desc/objectives/_quadcoil.py

@@ -1,6 +1,6 @@
 import warnings
 
-from jax import jit
+from desc.backend import jit
 
 from desc.backend import jnp
 from desc.compute import get_profiles, get_transforms