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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def run_with_search(model_path, config, num_days):
 """Run with PubMed search for new papers."""

    from indra.tools.machine.machine import run_with_search_helper
    run_with_search_helper(model_path, config, num_days=num_days)