Run velin to fix some doc-string issues

b_asic/GUI/arrow.py

b_asic/GUI/main_window.py

b_asic/operation.py

b_asic/port.py

b_asic/research/interleaver.py

b_asic/resources.py

b_asic/save_load_structure.py

b_asic/schedule.py

b_asic/scheduler_gui/logger.py

b_asic/scheduler_gui/operation_item.py

b_asic/scheduler_gui/scheduler_item.py

b_asic/sfg_generators.py

b_asic/signal.py

b_asic/signal_flow_graph.py