update format

python/install.py

@@ -118,6 +118,7 @@ try:
         author_email = "sjplimp@sandia.gov",
         url = "https://lammps.sandia.gov",
         description = "LAMMPS Molecular Dynamics Python module",
+        license = "GPL",
         py_modules = ["lammps"],
         data_files = [(get_python_lib(prefix=args.prefix), [args.lib])])
 except:
@@ -133,9 +134,8 @@ if tryuser:
           author_email = "sjplimp@sandia.gov",
           url = "https://lammps.sandia.gov",
           description = "LAMMPS Molecular Dynamics Python module",
+          license = "GPL",
           py_modules = ["lammps"],
           data_files = [(site.USER_SITE, [args.lib])])
   except:
     print("Installation into user site package folder failed.")
-
-