fixed issues 199 -2

myems-api/core/meter.py

@@ -939,14 +939,15 @@ class MeterPointCollection:
                      " WHERE meter_id = %s")
             cursor.execute(query, (id_,))
             rows = cursor.fetchall()
+
+            cursor.execute(" SELECT id "
+                           " FROM tbl_points "
+                           " WHERE object_type = %s ", ('ENERGY_VALUE',))
+            ponit_ids = cursor.fetchall()
+
             if rows is not None:
                 for row1 in rows:
-                    cursor.execute(" SELECT object_type "
-                                   " FROM tbl_points "
-                                   " WHERE id = %s ", (row1[0],))
-                    row = cursor.fetchone()
-                    if row is not None:
-                        if row[0] == 'ENERGY_VALUE':
+                    if row1 in ponit_ids:
                         cursor.close()
                         cnx.disconnect()
                         raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST',