validation: blacklist Ghostscript 9.51 too

2020-03-24 21:27:18 -07:00
parent e4cc9fcba7
commit 00498282f5
1 changed files with 5 additions and 4 deletions
@@ -466,11 +466,12 @@ def check_dependency_versions(options):
        version_checker=ghostscript.version,
        need_version='9.15',  # limited by Travis CI / Ubuntu 14.04 backports
    )
-    if ghostscript.version() == '9.24':
+    gs_version = ghostscript.version()
+    if gs_version in ('9.24', '9.51'):
        raise MissingDependencyError(
-            "Ghostscript 9.24 contains serious regressions and is not "
-            "supported. Please upgrade to Ghostscript 9.25 or use an older "
-            "version."
+            f"Ghostscript {gs_version} contains serious regressions and is not "
+            "supported. Please upgrade to a newer version, or downgrade to the "
+            "previous version."
        )
    check_external_program(
        program='qpdf',