gnu: python-pyparsing: Use 'modify-phases' syntax.

* gnu/packages/python.scm (python-pyparsing)[arguments]<#:phases>: Use
'modify-phases'.

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index e7a40df..a8e3186 100644 (file)
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -3955,26 +3955,24 @@ library, libgit2 implements Git plumbing.")
     (outputs '("out" "doc"))
     (arguments
      `(#:tests? #f ; no test target
-       #:modules ((guix build python-build-system)
-                  (guix build utils))
        #:phases
-       (alist-cons-after
-        'install 'install-doc
-        (lambda* (#:key outputs #:allow-other-keys)
-          (let* ((doc (string-append (assoc-ref outputs "doc")
-                                     "/share/doc/" ,name "-" ,version))
-                 (html-doc (string-append doc "/html"))
-                 (examples (string-append doc "/examples")))
-            (mkdir-p html-doc)
-            (mkdir-p examples)
-            (for-each
-             (lambda (dir tgt)
-               (map (lambda (file)
-                      (install-file file tgt))
-                    (find-files dir ".*")))
-             (list "docs" "htmldoc" "examples")
-             (list doc html-doc examples))))
-        %standard-phases)))
+       (modify-phases %standard-phases
+         (add-after 'install 'install-doc
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((doc (string-append (assoc-ref outputs "doc")
+                                        "/share/doc/" ,name "-" ,version))
+                    (html-doc (string-append doc "/html"))
+                    (examples (string-append doc "/examples")))
+               (mkdir-p html-doc)
+               (mkdir-p examples)
+               (for-each
+                (lambda (dir tgt)
+                  (map (lambda (file)
+                         (install-file file tgt))
+                       (find-files dir ".*")))
+                (list "docs" "htmldoc" "examples")
+                (list doc html-doc examples))
+               #t))))))
     (home-page "http://pyparsing.wikispaces.com")
     (synopsis "Python parsing class library")
     (description