code: def ptdist(p1, p2):
      """distance between two points p1, p2"""
      return np.linalg.norm(p2 - p1)
  
file_path: pdftabextract/pdftabextract/geom.py
imports: import math
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: ptdist(p1, p2) and returns: np