dont mutate attribute
dont mutate attribute

ai-traders/runit,ai-traders/runit,cwjohnston/runit,cwjohnston/runit,hw-cookbooks/runit,7bfa689ac3c4be50f8ba6c1ea8c5f316/runit,7bfa689ac3c4be50f8ba6c1ea8c5f316/runit,hw-cookbooks/runit,cwjohnston/runit,wk8/runit,wk8/runit,hw-cookbooks/runit,ai-traders/runit,wk8/runit,7bfa689ac3c4be50f8ba6c1ea8c5f316/runit