old_contents: import sys
  sys.path.append('../../')
  import os
  import datetime
  import numpy as np
  from pextant.settings import *
  from pextant.analysis.loadWaypoints import JSONloader, sextant_loader
  from pextant.lib.geoshapely import GeoPolygon, GeoPoint, UTM, LAT_LONG, Cartesian, LONG_LAT
  from pextant.EnvironmentalModel import GDALMesh
  from pextant.ExplorerModel import Astronaut
  from pextant.MeshVisualizer import MeshViz, MeshVizM, ExpandViz
  from pextant.solvers.astarSEXTANT import search, fullSearch, ExplorerCost
  import pandas as pd
  
new_contents: import sys
  sys.path.append('../../')
  import os
  import datetime
  import numpy as np
  from pextant.settings import *
  from pextant.analysis.loadWaypoints import JSONloader, sextant_loader
  from pextant.EnvironmentalModel import GDALMesh
  from pextant.ExplorerModel import Astronaut
  from pextant.mesh.MeshVisualizer import MeshViz, MeshVizM, ExpandViz
  import pandas as pd
  
subject: add more dependencies for the notebook