[Python] How to duplicate PowerPoint files in python?

Problem:


I'm trying to duplicate a slide from a presentation to another presentation, but it returns error:

Traceback (most recent call last):

File "C:\Users\vuse1\documents\visual studio 2015\Projects\PythonApplication\PythonApplication\PythonApplication.py", line 8, in
prs2.slides.add_slide(copySlide)
File "C:\Python27\lib\site-packages\pptx\slide.py", line 287, in add_slide
slide.shapes.clone_layout_placeholders(slide_layout)
File "C:\Python27\lib\site-packages\pptx\shapes\shapetree.py", line 515, in
clone_layout_placeholders for placeholder in slide_layout.iter_cloneable_placeholders():
AttributeError: 'Slide' object has no attribute 'iter_cloneable_placeholders'​

Code:


from pptx import Presentation

prs1 = Presentation("C:\\Users\\vuse1\Desktop\\first.pptx")
prs2 = Presentation("C:\\Users\\vuse1\Desktop\\second.pptx")

copySlide=prs1.slides[0]

prs2.slides.add_slide(copySlide)

prs2.save("C:\\Users\\vuse1\Desktop\\second.pptx")

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