 import Ecto.Query
 
 has_coordinators? = Repo.one(from u in User, where: u.role == "Coordinator", select: 1, limit: 1)
-if !has_coordinators? do
+unless has_coordinators? do
   %User{}
   |> User.changeset(
       %{

  |> Repo.insert!
end

if !Repo.get_by(SystemVariable, key: "PROGRAM_ADDRESS") do
  %SystemVariable{}
  |> SystemVariable.changeset(
      %{

  |> Repo.insert!
end

unless Repo.get_by(SystemVariable, key: "PROGRAM_NAME") do
  %SystemVariable{}
  |> SystemVariable.changeset(
      %{
