passes checks in python3

rowers/courses.py

@@ -1,3 +1,4 @@
+from __future__ import unicode_literals, absolute_import
 # All the Courses related methods
 
 # Python
@@ -28,7 +29,7 @@ import pandas as pd
 import numpy as np
 from timezonefinder import TimezoneFinder
 
-import dataprep
+import rowers.dataprep as dataprep
 from rowers.utils import geo_distance
 
 ns = {'opengis': 'http://www.opengis.net/kml/2.2'}
@@ -47,7 +48,7 @@ from rowers.models import (
     polygon_to_path,coordinate_in_path
     )
 
-from utils import geo_distance
+
 from rowers.courseutils import coursetime_paths, coursetime_first,time_in_path