@@ -83,16 +83,6 @@ class SequenceLearner(BaseLearner):

         return points, loss_improvements

-    def _get_data(self):

-        return self.data

-

-    def _set_data(self, data):

-        if data:

-            indices, values = zip(*data.items())

-            # the points aren't used by tell, so we can safely pass None

-            points = [(i, None) for i in indices]

-            self.tell_many(points, values)

-

     def loss(self, real=True):

         if not (self._to_do_indices or self.pending_points):

             return 0

@@ -128,3 +118,25 @@ class SequenceLearner(BaseLearner):

     @property

     def npoints(self):

         return len(self.data)

+

+    def _get_data(self):

+        return self.data

+

+    def _set_data(self, data):

+        if data:

+            indices, values = zip(*data.items())

+            # the points aren't used by tell, so we can safely pass None

+            points = [(i, None) for i in indices]

+            self.tell_many(points, values)

+

+    def __getstate__(self):

+        return (

+            self._original_function,

+            self.sequence,

+            self._get_data(),

+        )

+

+    def __setstate__(self, state):

+        function, sequence, data = state

+        self.__init__(function, sequence)

+        self._set_data(data)