[Fix] reduce memory consumption and close pdf stream after usage

Layout-Parser / layout-parser

A Unified Toolkit for Deep Learning Based Document Image Analysis

https://layout-parser.github.io/

Apache License 2.0

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Open jakobnrmnn opened 1 year ago

jakobnrmnn commented 1 year ago

Flushes the pages and pdf afterwards to reduce the memory/ram consumption.

Opens the pdf stream as a context manager so that the file is closed afterwads.