Module Import alias ImportFrom alias alias identifier FunctionDef arguments args defaults body Expr Str Assign NameStore Call NameLoad Call NameLoad NameLoad Str If UnaryOpNot CompareIn NameLoad AttributeLoad NameLoad attr body Expr Call AttributeLoad AttributeLoad NameLoad attr attr Num NameLoad decorator_list
N/A N/A sys os.path dirname join join_path sys_path N/A N/A N/A N/A N/A  Add `./third_party` to `sys.path`.
     N/A third_party_dir N/A join_path N/A dirname __file__ third_party N/A N/A N/A third_party_dir N/A sys path N/A N/A N/A N/A N/A sys path insert 1 third_party_dir N/A