Fix latin-1-ization of Title in eps.

anntzer · anntzer · commit 25e413f09739 · 2018-11-23T11:01:25.000+01:00
We want `title` to be latin-1-encodable, so decoding it as utf-8 (the
default) won't work (if there are characters with the highest bit set).
diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py
@@ -972,7 +972,7 @@ def _print_figure(
         isEPSF = format == 'eps'
         if isinstance(outfile, (str, getattr(os, "PathLike", ()),)):
             outfile = title = getattr(os, "fspath", lambda obj: obj)(outfile)
-            title = title.encode("latin-1", "replace").decode()
+            title = title.encode("latin-1", "replace").decode("latin-1")
             passed_in_file_object = False
         elif is_writable_file_like(outfile):
             title = None
