matplotlib
diff --git a/‎lib/matplotlib/backends/backend_pdf.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_pdf.py
+2-1Lines changed: 2 additions & 1 deletion b/‎lib/matplotlib/backends/backend_pdf.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_pdf.py
+2-1Lines changed: 2 additions & 1 deletion
@@ -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()