helm-projectile helm-projectile-rg crashes

Expected behavior

rg is called

Actual behavior

crashes

Steps to reproduce the problem

run helm-projectile-rg

Backtraces if necessary (`M-x toggle-debug-on-error`)

Debugger entered--Lisp error: (wrong-number-of-arguments (1 . 2) 3)
  helm-rg("" nil ("/home/starenka/.emacs.d/"))
  (let ((helm-rg-prepend-file-name-line-at-top-of-matches nil) (helm-rg-include-file-on-every-match-line t)) (helm-rg (helm-projectile-rg--region-selection) nil (list (projectile-project-root))))
  (if (projectile-project-p) (let ((helm-rg-prepend-file-name-line-at-top-of-matches nil) (helm-rg-include-file-on-every-match-line t)) (helm-rg (helm-projectile-rg--region-selection) nil (list (projectile-project-root)))) (error "You're not in a project"))
  (if (require 'helm-rg nil t) (if (projectile-project-p) (let ((helm-rg-prepend-file-name-line-at-top-of-matches nil) (helm-rg-include-file-on-every-match-line t)) (helm-rg (helm-projectile-rg--region-selection) nil (list (projectile-project-root)))) (error "You're not in a project")) (if (yes-or-no-p "`helm-rg' is not installed. Install? ") (progn (condition-case nil (progn (package-install 'helm-rg) (helm-projectile-rg)) (error "`helm-rg' is not available.  Is MELPA in your `pac...")))))
  helm-projectile-rg()
  funcall-interactively(helm-projectile-rg)
  call-interactively(helm-projectile-rg nil nil)
  command-execute(helm-projectile-rg)