Hot to fix "WARNING: any? already refers to: #'clojure.core/any? in namespace: leiningen.midje, being replaced by: #'leiningen.midje/any?"

I'm try run tests in leiningen's compojure template (lein new compojure financeiro), using the midje framework and receive a warning:

lein midje
WARNING: any? already refers to: #'clojure.core/any? in namespace: leiningen.midje, being replaced by: #'leiningen.midje/any?
nil
All checks (3) succeeded.

My test code handler_test.clj:

(ns financeiro.handler-test
  (:require
    ; [clojure.test :refer :all]
    [midje.sweet :refer :all]
    [ring.mock.request :as mock]
    [financeiro.handler :refer :all]))

; (deftest test-app
;   (testing "main route"
;     (let [response (app (mock/request :get "/"))]
;       (is (= (:status response) 200))
;       (is (= (:body response) "Hello World"))))

;   (testing "not-found route"
;     (let [response (app (mock/request :get "/invalid"))]
;       (is (= (:status response) 404)))))

(facts "'Hello World' main route"
  (fact "response status is 200"
    (let [response (app (mock/request :get "/"))]
      (:status response)=> 200))

  (fact "body text is 'Hello World'"
    (let [response (app (mock/request :get "/"))]
      (:body response)=> "Hello World")))

(facts "not-found route"
  (fact "response status is 404"
    (let [response(app (mock/request :get "/invalid"))]
      (:status response)=> 404)))

My project file project.clj:

(defproject financeiro "0.1.0-SNAPSHOT"
  :description "FIXME: write description"
  :url "http://example.com/FIXME"
  :min-lein-version "2.0.0"
  :dependencies [
    [org.clojure/clojure "1.10.0"]
    [compojure "1.6.1"]
    [ring/ring-defaults "0.3.2"]
  ]
  :plugins [
    [lein-ring "0.12.5"]
  ]
  :ring {
    :handler financeiro.handler/app
  }
  :profiles {
    :dev {
      :dependencies [
        [javax.servlet/servlet-api "2.5"]
        [ring/ring-mock "0.3.2"]
        [midje "1.9.8"]
      ]
      :plugins [
        [lein-midje "3.2.1"]
      ]
    }
  }
)

When I run default tests with clojure.test (lein test), I not receive warning, but I when run with midje.sweet (lein midje) I receive the warning about 'namespace: leiningen.midje' and 'replace #'clojure.core/any? to #'leiningen.midje/any?', I searching for solution in the web but I don't find for this especific warning (leiningen/compojure/midje), I'm a beginner in clojure and midje. I'm learning now. In which file I can replace this namespace? There is simple solution to remove this warning? Or this a bug in framework midje?

This does not disturb the execution of the tests, but it is annoying to see this message every time it's run the tests.

Note: I tryied the previous version of midje too [midje "1.9.6"], but unsuccessfully!

Solution

This particular issue was solved in this Pull Request.

For the general case you can get rid of this warning (when it comes from your code) by excluding (= un-refering) the symbol you want to require from another namespace than clojure.core

Here is an example from a different context:

Warning

(ns urbest.apheleia.system.typography
  (:require [garden.units :refer [rem]]))

WARNING: rem already refers to: #'clojure.core/rem in namespace: urbest.apheleia.system.typography, being replaced by: #'garden.units/rem

No more warning

(ns urbest.apheleia.system.typography
  (:refer-clojure :exclude [rem])
  (:require [garden.units :refer [rem]]))