message: magrittr dep yay
diff: repo <- "https://cloud.r-project.org/"
  install.packages(c("DBI", "callr", "DBItest", "dbplyr", "nycflights13", "testthat"), repos=repo)
  -install.packages("testthat", type="source", repos=repo)
  \ No newline at end of file
  +install.packages(c("testthat", "magrittr"), type="source", repos=repo)
  \ No newline at end of file
  