Problem with calling open_wks in pyNGL

        So I am running a pyNGL script and am having problems calling Ngl.open_wks.
Maybe you can suggest a way around it. In particular I would like to call Ngl.open_wks with
different names that I construct by iterating through a dictionary. So the code looks like the
following:

        for k,v in vars.iteritems():
              name = k + "_panel"
              wks = Ngl.open_wks(plottype,name,wkres)

    Unfortunately it give me the following error. I am wondering why the second argument to
method open_wks_wrap is a 'char const *' and not just a 'char *'

Thanks,
John Dennis

        wks = Ngl.open_wks(plottype,name,wkres)
      File "/glade/apps/opt/PyNGL/1.4.0/gnu/4.7.2/PyNGL/Ngl.py", line 4540, in open_wks
         iopn = open_wks_wrap(wk_type,wk_name,rlist1,rlist2,pvoid())
      TypeError: in method 'open_wks_wrap', argument 2 of type 'char const *'

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Received on Thu Feb 6 12:19:41 2014