Merge branch 'master' of github.com:matplotlib/matplotlib-py3

Author: mdboom

lib/matplotlib/backends/backend_svg.py

@@ -281,6 +281,7 @@ def __init__(self, width, height, svgwriter, basename=None):
     def finalize(self):
         self._write_svgfonts()
         self.writer.close(self._start_id)
+        self.writer.flush()
 
     def _write_default_style(self):
         writer = self.writer