add some debug prints as diagnostics for #282

Author: briantoby

GSASII/GSASIIdataGUI.py

@@ -1941,6 +1941,7 @@ def OnImportPowder(self,event):
                 finally:
                     del Iparm1['CorrectionCode']
             rd.Sample['ranId'] = valuesdict['ranId'] # this should be removed someday
+            if GSASIIpath.GetConfigValue('debug'): print('crash debug: read complete, adding to tree')
             self.GPXtree.SetItemPyData(Id,[valuesdict,rd.powderdata])
             self.GPXtree.SetItemPyData(self.GPXtree.AppendItem(Id,text='Comments'),rd.comments)
             Tmin = min(rd.powderdata[0])
@@ -1986,9 +1987,11 @@ def OnImportPowder(self,event):
         else:
             # there are no break statements in this while loop so these are always run:
             self.EnablePlot = True
+            if GSASIIpath.GetConfigValue('debug'): print('crash debug: before Expand')
             if Id:
                 self.GPXtree.Expand(Id)
                 self.GPXtree.SelectItem(Id)  # perhaps this is better as a CallAfter (See #282)
+            if GSASIIpath.GetConfigValue('debug'): print('crash debug: after Select Item')
 
         G2fil.CleanupFromZip('instprm',self.cleanupList)
         if not newHistList: return # somehow, no new histograms