def load_lulc_transitions(lulc_transition_uri):
    """Loads a lulc transition type csv file and returns a list of lulc
        type/transition tuples

        lulc_transition_uri - path to a csv file with the format
           "Original LULC,Transition,...
           lulc_type_1, transiton_type_a, ...
           ...."

        returns a list of lulc transitoin tuples found lulc transitions file"""
    lulc_transition_file = open(lulc_transition_uri)
    lulc_transition_file.readline()
    lulc_transition_list = []
    for line in lulc_transition_file:
        lulc, transition = line.split(',')[0:2]
        if transition == '':
            continue
        lulc_transition_list.append((lulc, transition))
    return lulc_transition_list
