gnu: python-pyqt: Use 'modify-phases'.

* gnu/packages/qt.scm (python-pyqt)[arguments]: Use 'modify-phases'.

gnu/packages/qt.scm

@@ -543,8 +543,8 @@ (define-public python-pyqt
      `(#:modules ((srfi srfi-1)
                   ,@%gnu-build-system-modules)
        #:phases
-         (alist-replace
-         'configure
+       (modify-phases %standard-phases
+         (replace 'configure
            (lambda* (#:key inputs outputs #:allow-other-keys)
              (let* ((out (assoc-ref outputs "out"))
                     (bin (string-append out "/bin"))
@@ -568,9 +568,8 @@ (define-public python-pyqt
                                "--destdir" lib
                                "--designer-plugindir" designer
                                "--qml-plugindir" qml
-                             "--sipdir" sip))))
-         %standard-phases)))
-    (home-page "http://www.riverbankcomputing.com/software/pyqt/intro")
+                               "--sipdir" sip))))))))
+    (home-page "https://www.riverbankcomputing.com/software/pyqt/intro")
     (synopsis "Python bindings for Qt")
     (description
      "PyQt is a set of Python v2 and v3 bindings for the Qt application