A user reported an issue with pegasus-plots in 4.5.0 on HipChat:

I'm trying to use pegasus-plots in order to generate the graphs charts but I'm getting an error:
[tutorial@localhost ~]$ pegasus-plots -o outeste -p all trabalho-workflow/submit/tutorial/pegasus/docking-1-10/run0002/
2015-09-16 16:58:48,853:WARNING:Pegasus.tools.utils(228): Deleting existing directory. Deleting... outeste
2015-09-16 16:58:48,964:WARNING:pegasus-plots(630): Traceback (most recent call last):
File "/usr/bin/pegasus-plots", line 626, in main
create_charts(submit_dir, output_dir, options.config_properties, options.files)
File "/usr/bin/pegasus-plots", line 443, in create_charts
setup(dag_graph_output_dir)
File "/usr/bin/pegasus-plots", line 84, in setup
src_img_path = os.path.join(pegasus_share_dir, "plots/images/common/")
NameError: global name 'pegasus_share_dir' is not defined