diff --git a/src/algebraic.pyx b/src/algebraic.pyx
index b3f1320b..1181abdb 100644
--- a/src/algebraic.pyx
+++ b/src/algebraic.pyx
@@ -19,7 +19,7 @@ import numpy as N
 cimport numpy as N
 from timeit import default_timer as timer
 
-from exception import Algebraic_Exception
+from exception import Algebraic_Exception, AssimuloException
 from problem import Algebraic_Problem
 
 include "constants.pxi" #Includes the constants (textual include)
diff --git a/src/explicit_ode.pyx b/src/explicit_ode.pyx
index 482d7f29..741ccc7b 100644
--- a/src/explicit_ode.pyx
+++ b/src/explicit_ode.pyx
@@ -26,7 +26,7 @@ cimport numpy as N
 cimport explicit_ode # .pxd
 cimport cython
 
-from exception import Explicit_ODE_Exception, TimeLimitExceeded, TerminateSimulation, AssimuloException
+from exception import Explicit_ODE_Exception, TimeLimitExceeded, TerminateSimulation
 from timeit import default_timer as timer
 
 include "constants.pxi" #Includes the constants (textual include)