Small bug fix in create_dsm() function. Added assertion on settings to make sense.

Former-commit-id: 7b7c36e9240439233a026cdbd5d689e7c0dc4559

examples/scripts/sellar_problem.py

@@ -131,7 +131,8 @@ rcg.node['F2']['performance_info'] = {'precision': 20,
 function_order = ['A', 'D1', 'D2', 'D3', 'F1', 'F2', 'G1', 'G2']
 
 # Create a DSM visualization of the RCG
-rcg.create_dsm(file_name='RCG', function_order=function_order, include_system_vars=True, destination_folder=pdf_dir, keep_tex_file=True)
+rcg.create_dsm(file_name='RCG', function_order=function_order, include_system_vars=True, destination_folder=pdf_dir,
+               keep_tex_file=False, compile_pdf=True)
 # Create a VISTOMS visualization of the RCG
 rcg.vistoms_create(vistoms_dir, function_order=function_order, compress=False)