Fix check for lists/tuples. Refs #6955

mantidproject · Apr 29, 2013 · 441b41f · 441b41f
1 parent 73976f6
commit 441b41f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Code/Mantid/MantidPlot/mantidplot.py b/Code/Mantid/MantidPlot/mantidplot.py
@@ -250,7 +250,7 @@ def _callPlotBin(workspace, indexes, errors, graph_type):
             indexes = [indexes]
         return new_proxy(proxies.Graph,_qti.app.mantidUI.plotBin,wkspname, indexes, errors,graph_type)
 
-    if hasattr(source, "__len__"):
+    if isinstance(source, list) or isinstance(source, tuple):
         if len(source) > 1:
             raise RuntimeError("Currently unable to handle multiple sources for bin plotting. Merging must be done by hand.")
         else: