Additional string conversions

Author: tarelli

netpyne_ui/netpyne_geppetto.py

@@ -259,15 +259,15 @@ def getNetPyNESpikeHistPlot(self):
         if fig==-1:
             return fig
         else:
-            return ui.getSVG(fig[0])
+            return ui.getSVG(fig[0]).__str__()
 
     def getNetPyNESpikeStatsPlot(self):
         args = self.getPlotSettings('plotSpikeStats')
         fig = analysis.plotSpikeStats(showFig=False, **args)
         if fig==-1:
             return fig
         else:
-            return ui.getSVG(fig[0])
+            return ui.getSVG(fig[0]).__str__()
 
     def getNetPyNEGrangerPlot(self):
         args = self.getPlotSettings('granger')