🔒 visitor function error in PyPDF2 manual example

[brazen trout]

In general the question is how to make a visitor function.

In particular the extract_text visitor function in the example produces an unexpected keyword error.

Both search and Gemini didn't produced a good answer and I wonder if something is missing that I don't understand.

[lone talon]

@brazen trout

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[neon acorn]

!traceback -- Could you provide the complete traceback?

[lone talon]

Traceback

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Traceback (most recent call last):
  File "my_file.py", line 5, in <module>
    add_three("6")
  File "my_file.py", line 2, in add_three
    a = num + 3
        ~~~~^~~
TypeError: can only concatenate str (not "int") to str

If the traceback is long, use our pastebin.

[lone talon]

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