def get_soles_for_course(course_id):
""" Get a list of soles for the course,
within a certain radius of the provided lat, lon
"""
lat, lon = get_lat_lon()
r = Sole.find_by_course_id(db, course_id, lat, lon)
nr = User.update_soles_with_students(db, r)
return json.dumps(nr)
