Improved the district import SQL query

.pylintrc

+[MASTER]
+init-hook='import sys; sys.path.append("exposurejapan")' 

exposurejapan/database.py

@@ -20,7 +20,7 @@ import logging
 from exposurelib.database import SpatialiteDatabase
 import pandas
 import numpy
-from exposurejapan import constants
+import constants
 import shapely.wkt
 import pyproj
 from shapely.ops import transform
@@ -650,10 +650,10 @@ class JapanDatabase(SpatialiteDatabase):
 
         # From the boundary database select admin_id, name and geometry
         # and insert into Districts table in the Japan database
-        sql_statement = "INSERT INTO District (id, admin_id, name, geom) "
-        sql_statement += "SELECT DISTINCT key_code_ward, key_code_ward, CITY_NAME, "
-        sql_statement += (
-            "ST_Transform(CastToMultiPolygon(GeomFromText(AsWKT(CastAutomagic(geom)), %d)), "
+        sql_statement = (
+            "INSERT INTO District (id, admin_id, name, geom) "
+            "SELECT key_code_ward, key_code_ward, CITY_NAME, "
+            "ST_Transform(CastToMultiPolygon(GeomFromWKB(AsBinary(geom), %d)), "
             "%d) " % (constants.JGD2000, constants.WGS84)
         )
         sql_statement += "FROM BoundaryDatabase.Boundary"

exposurejapan/exposurejapan.py

@@ -20,7 +20,7 @@
 import logging
 import sys
 import sqlite3
-from .database import JapanDatabase  # pylint: disable=E0611,E0401
+from database import JapanDatabase  # pylint: disable=E0611,E0401
 
 
 # Add a logger printing error, warning, info and debug messages to the screen