code: def _decode_geom(ewkb):
      
      # it's already a shapely object
      if hasattr(ewkb, 'geom_type'):
          return ewkb
  
      from shapely import wkb
      from shapely import wkt
      if ewkb:
          try:
              return wkb.loads(ba.unhexlify(ewkb))
          except Exception:
              try:
                  return wkb.loads(ba.unhexlify(ewkb), hex=True)
              except Exception:
                  try:
                      return wkb.loads(ewkb, hex=True)
                  except Exception:
                      try:
                          return wkb.loads(ewkb)
                      except Exception:
                          try:
                              return wkt.loads(ewkb)
                          except Exception:
                              pass
      return None
docs: Decode encoded wkb into a shapely geometry