[fix] metro stations reverse geocoder

scripts/geodata/metro_stations/reverse_geocode.py

@@ -1,7 +1,12 @@
 import argparse
 import logging
+import os
+import sys
 import six
 
+this_dir = os.path.realpath(os.path.dirname(__file__))
+sys.path.append(os.path.realpath(os.path.join(os.pardir, os.pardir)))
+
 from geodata.address_expansions.abbreviations import abbreviate
 from geodata.coordinates.conversion import latlon_to_decimal
 from geodata.math.floats import isclose
@@ -103,4 +108,4 @@ if __name__ == '__main__':
     else:
         parser.error('Must specify metro stations file')
 
-    index.save()
+    index.save()