Backport PR #15556: Fix test suite compat with ghostscript 9.50.

tacaswell · meeseeksmachine · commit 3a6dabb5ac03 · 2020-01-13T22:39:30.000Z
diff --git a/lib/matplotlib/testing/compare.py b/lib/matplotlib/testing/compare.py
@@ -175,7 +175,7 @@ def __call__(self, orig, dest):
         if not self._proc:
             self._proc = subprocess.Popen(
                 [mpl._get_executable_info("gs").executable,
-                 "-dNOPAUSE", "-sDEVICE=png16m"],
+                 "-dNOSAFER", "-dNOPAUSE", "-sDEVICE=png16m"],
                 # As far as I can see, ghostscript never outputs to stderr.
                 stdin=subprocess.PIPE, stdout=subprocess.PIPE)
             try:
