diff --git a/src/lib/sundials_callbacks_ida_cvode.pxi b/src/lib/sundials_callbacks_ida_cvode.pxi
index 50d8c9d1..366c3e24 100644
--- a/src/lib/sundials_callbacks_ida_cvode.pxi
+++ b/src/lib/sundials_callbacks_ida_cvode.pxi
@@ -16,7 +16,7 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 import cython
-
+from assimulo.exception import AssimuloRecoverableError
 
 cdef int cv_rhs(realtype t, N_Vector yv, N_Vector yvdot, void* problem_data):
     """
diff --git a/src/lib/sundials_callbacks_kinsol.pxi b/src/lib/sundials_callbacks_kinsol.pxi
index 0f606a3e..fc730356 100644
--- a/src/lib/sundials_callbacks_kinsol.pxi
+++ b/src/lib/sundials_callbacks_kinsol.pxi
@@ -16,6 +16,7 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 import cython
+from assimulo.exception import AssimuloRecoverableError
 
 IF SUNDIALS_VERSION >= (3,0,0):
     cdef int kin_jac(N_Vector xv, N_Vector fval, SUNMatrix Jac, 
diff --git a/src/solvers/sundials.pyx b/src/solvers/sundials.pyx
index 19fc180e..85aa459b 100644
--- a/src/solvers/sundials.pyx
+++ b/src/solvers/sundials.pyx
@@ -25,10 +25,7 @@ import numpy.linalg
 import traceback 
 import scipy.sparse as sparse
  
-from assimulo.exception import (
-    AssimuloException, 
-    AssimuloRecoverableError # for *.pxi include
-)
+from assimulo.exception import AssimuloException
 
 from assimulo.explicit_ode cimport Explicit_ODE 
 from assimulo.implicit_ode cimport Implicit_ODE