Fix local pdf loading

[lhoestq]

fir this error when accessing a local pdf

File ~/.pyenv/versions/3.12.2/envs/hf-datasets/lib/python3.12/site-packages/pdfminer/psparser.py:220, in PSBaseParser.seek(self, pos)
    218 """Seeks the parser to the given position."""
    219 log.debug("seek: %r", pos)
--> 220 self.fp.seek(pos)
    221 # reset the status for nextline()
    222 self.bufpos = pos

ValueError: seek of closed file

[HuggingFaceDocBuilderDev]

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