Fix PDFpages bug

jklymak · jklymak · commit 5f654dcab019 · 2017-11-10T09:00:59.000-08:00
diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
@@ -2591,7 +2591,8 @@ def print_pdf(self, filename, **kwargs):
                 bbox_inches_restore=_bbox_inches_restore)
             self.figure.draw(renderer)
             renderer.finalize()
-            file.finalize()
+            if not isinstance(filename, PdfPages):
+                file.finalize()
         finally:
             if isinstance(filename, PdfPages):  # finish off this page
                 file.endStream()
