cant get the lines or curves

[Eyderoe]

I want to extract the table ,but not as expected.
so I extract lines and curves ,but i cant get any.
might someone tell me what cause it
I will be appreciate if someone could explain

---

import pdfplumber

raw = r".\ZUCK.pdf"
pdf = pdfplumber.open(raw)
page = pdf.pages[0]
print(page.lines)
print(page.curves)
ZUCK.pdf

[jsvine]

It appears that the linear graphical elements on that page have been captured as as rects, available via page.rects.

[Eyderoe]

thanks, it work well