test_no_conversion failing near DST changeover

 TestHiveParquetTimestampConversion.test_no_conversion[exec_option: {'disable_codegen': False, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0, 'batch_size': 0, 'num_nodes': 0} | table_format: parquet/none] 
custom_cluster/test_hive_parquet_timestamp_conversion.py:97: in test_no_conversion
    assert len(data.split('\n')) == expected_row_count
E   assert 1 == 0
E    +  where 1 = len([''])
E    +    where [''] = <built-in method split of str object at 0x7fc866f81508>('\n')
E    +      where <built-in method split of str object at 0x7fc866f81508> = ''.split

$ python2.7
Python 2.7.6 (default, Jun 22 2015, 17:58:13) 
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import time
>>> print time.tzname[time.localtime().tm_isdst]
UTC
>>> print time.localtime().tm_isdst                                                                                                                                                                                                            
0
>>> time.localtime()
time.struct_time(tm_year=2016, tm_mon=11, tm_mday=5, tm_hour=2, tm_min=32, tm_sec=37, tm_wday=5, tm_yday=310, tm_isdst=0)