(define-syntax py:from
  (syntax-rules (import as)
    [(_ where import name)
     (py:run-simple-string (format "from ~a import ~a" where name))]
    [(_ where import name as custom-name)
     (py:run-simple-string (format "from ~a import ~a as ~a" where name custom-name))]))

(py:from "requests" import "get" as "GET")
(py:run-simple-string "print(type(GET))")