Merge branch 'hotfix-error_when_closing_gui' into 'release-1.3.x'

Hotfix error when closing gui

See merge request !48

CHANGELOG

+version 1.3.1
+--------------
+* FIXED issue #46 There was an error message when closign converter plugins. The error is no more here but the converter still does not close.
+
 version 1.3.0
 --------------
 * ADDED Neutron Dynamic Total Structure Factor analysis

Src/GUI/Plugins/JobPlugin.py

@@ -151,9 +151,12 @@ class JobPlugin(ComponentPlugin):
         PUBLISHER.sendMessage("msg_set_data", message=self)
                         
     def on_close(self, event):
-        
-        self.parent.mgr.ClosePane(self.parent.mgr.GetPane(self))
-        
+        try:
+            self.parent.mgr.ClosePane(self.parent.mgr.GetPane(self))
+        except AttributeError:
+            # If the job is a converter, the parent has no mgr attribute
+            pass
+       
 class JobFrame(wx.Frame):
     
     def __init__(self, parent, jobType, datakey=None):