update typing of common "head()" function to reflect None return - #102

update typing of common "head()" function to reflect None return#102

loulecrivain wants to merge 1 commit into

mainwobcom/cosmo:mainfrom

fix/78-common-helper-function-head-type-signature-is-incompletewobcom/cosmo:fix/78-common-helper-function-head-type-signature-is-incompleteCopy head branch name to clipboard