make sure attribute is set when processing XAS data

larch/wxxas/taskpanel.py

@@ -240,6 +240,11 @@ def ensure_xas_processed(self, dgroup):
         if self.is_xasgroup(dgroup) and (not hasattr(dgroup, 'norm') or
                                          not hasattr(dgroup, 'e0')):
             self.parent.process_normalization(dgroup, force=True)
+        if not hasattr(dgroup, 'xplot'):
+            if hasattr(dgroup, 'xdat'):
+                dgroup.xplot = deepcopy(dgroup.xdat)
+            elif hasattr(dgroup, 'energy'):
+                dgroup.xplot = deepcopy(dgroup.energy)
 
     def make_fit_xspace_widgets(self, elo=-1, ehi=1):
         self.wids['fitspace_label'] = SimpleText(self.panel, 'Fit Range (eV):')

larch/wxxas/xasnorm_panel.py

@@ -63,7 +63,6 @@ def get_auto_nnorm(norm1, norm2):
     if nrange < 30:    nnorm = 0
     return nnorm
 
-
 class XASNormPanel(TaskPanel):
     """XAS normalization Panel"""
     def __init__(self, parent, controller=None, **kws):
@@ -1083,11 +1082,7 @@ def plot(self, dgroup, title=None, plot_yarrays=None, yoff=0,
         if groupname is None:
             return
 
-        if not hasattr(dgroup, 'xplot'):
-            if hasattr(dgroup, 'xdat'):
-                dgroup.xplot = deepcopy(dgroup.xdat)
-            elif hasattr(dgroup, 'energy'):
-                dgroup.xplot = deepcopy(dgroup.energy)
+        self.ensure_xas_processed(dgroup)
 
         if ((getattr(dgroup, 'plot_yarrays', None) is None or
              getattr(dgroup, 'energy', None) is None or