cleaning up pdf_to_text
cleaning up pdf_to_text

shencebebetterme/arxiv-sanity-preserver,shencebebetterme/arxiv-sanity-preserver,karpathy/arxiv-sanity-preserver,zhiyue/arxiv-sanity-preserver,karpathy/arxiv-sanity-preserver,shencebebetterme/arxiv-sanity-preserver,zhiyue/arxiv-sanity-preserver,zhiyue/arxiv-sanity-preserver,shencebebetterme/arxiv-sanity-preserver,karpathy/arxiv-sanity-preserver