gnu: python-pydyf: Update to 0.12.1.

* gnu/packages/pdf.scm (python-pydyf): Update to 0.12.1.
[source]: Switch to git-fetch.
[arguments]: Drop all.

Change-Id: I671e1114610f02e8d116d7068a8d476e8363f209

gnu/packages/pdf.scm

@@ -899,22 +899,23 @@ extracting content or merging files.")
 (define-public python-pydyf
   (package
     (name "python-pydyf")
-    (version "0.3.0")
+    (version "0.12.1")
     (source
      (origin
-       (method url-fetch)
-       (uri (pypi-uri "pydyf" version))
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/CourtBouillon/pydyf")
+              (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
        (sha256
-        (base32 "18q43g5d9455msipcgd5fvnh8m4a2rz189slzfg80yycjw66rshs"))))
+        (base32 "0fq5d692hpfd7f6n3sb78l0jxq0ivin3867fi4yqjc0swcd35j8b"))))
     (build-system pyproject-build-system)
-    (arguments
-     (list
-      #:test-flags #~'("-c" "/dev/null")))
-    (propagated-inputs (list python-pillow))
     (native-inputs
      (list ghostscript
            python-flit-core
            python-pytest))
+    (propagated-inputs
+     (list python-pillow))
     (home-page "https://github.com/CourtBouillon/pydyf")
     (synopsis "Low-level PDF generator")
     (description "@code{pydyf} is a low-level PDF generator written in Python