Fix Python 3 bug in PS backend.

mdboom · mdboom · commit 1c17bb4b34af · 2013-02-28T11:24:47.000-05:00
diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py
@@ -469,7 +469,7 @@ def draw_image(self, gc, x, y, im, dx=None, dy=None, transform=None):
         im.flipud_out()
 
         h, w, bits, imagecmd = self._get_image_h_w_bits_command(im)
-        hexlines = '\n'.join(self._hex_lines(bits))
+        hexlines = b'\n'.join(self._hex_lines(bits)).decode('ascii')
 
         if dx is None:
             xscale = w / self.image_magnification
