Adding from __future__ imports

caravel/__init__.py

@@ -1,4 +1,8 @@
 """Package's main module!"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 import logging
 import os

caravel/ascii_art.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 error = (
 "MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\n"+
 "MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNNMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\n"+

caravel/bin/caravel

@@ -1,4 +1,8 @@
 #!/usr/bin/env python
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 from datetime import datetime
 import logging

caravel/config.py

@@ -4,6 +4,11 @@
 in your PYTHONPATH as there is a ``from local_config import *``
 at the end of this file.
 """
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import os
 from flask_appbuilder.security.manager import AUTH_DB
 from dateutil import tz

caravel/data/__init__.py

@@ -1,4 +1,8 @@
 """Loads datasets, dashboards and slices in a new caravel instance"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 import gzip
 import json

caravel/data/countries.py

@@ -1,4 +1,8 @@
 """This module contains data related to countries and is used for geo mapping"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 countries = [
     {

caravel/forms.py

@@ -1,4 +1,8 @@
 """Contains the logic to create cohesive forms on the explore view"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 from wtforms import (
     Form, SelectMultipleField, SelectField, TextField, TextAreaField,

caravel/models.py

@@ -1,4 +1,8 @@
 """A collection of ORM sqlalchemy models for Caravel"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 from copy import deepcopy, copy
 from collections import namedtuple

caravel/utils.py

@@ -1,4 +1,8 @@
 """Utility functions used across Caravel"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 from datetime import datetime
 import hashlib

caravel/views.py

@@ -1,4 +1,8 @@
 """Flask web views for Caravel"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 from datetime import datetime
 import json

caravel/viz.py

@@ -3,6 +3,10 @@
 These objects represent the backend of all the visualizations that
 Caravel can render.
 """
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 from collections import OrderedDict, defaultdict
 from datetime import datetime, timedelta