pickling now allways binary as well as protocol -1

GPy/core/parameterized.py

@@ -31,14 +31,9 @@ def _get_param_names(self):
     #    """ Override for which names to print out, when using print m """
     #    return self._get_param_names()
 
-    def pickle(self, filename, protocol=None):
-        if protocol is None:
-            if self._has_get_set_state():
-                protocol = 0
-            else:
-                protocol = -1
-        with open(filename, 'w') as f:
-            cPickle.dump(self, f, protocol)
+    def pickle(self, filename, protocol=-1):
+        with open(filename, 'wb') as f:
+            cPickle.dump(self, f, protocol=protocol)
 
     def copy(self):
         """Returns a (deep) copy of the current model """

GPy/util/latent_space_visualizations/controllers/axis_event_controller.py

@@ -114,8 +114,12 @@ def update_view(self, view, X, xmin, xmax, ymin, ymax):
         raise NotImplementedError('update view given in here')
 
     def get_grid(self):
-        xmin, xmax = self._compute_buffered(*self._x_lim)
-        ymin, ymax = self._compute_buffered(*self._y_lim)
+        if self._not_init:
+            xmin, xmax = self._compute_buffered(*self._x_lim)
+            ymin, ymax = self._compute_buffered(*self._y_lim)
+        else:
+            xmin, xmax = self._x_lim
+            ymin, ymax = self._y_lim
         x, y = numpy.mgrid[xmin:xmax:1j * self.resolution, ymin:ymax:1j * self.resolution]
         return numpy.hstack((x.flatten()[:, None], y.flatten()[:, None]))