TypeError when running alpaca_api.py

[taeyurl]

Traceback (most recent call last):
File "zipline/data/bundles/alpaca_api.py", line 12, in
import zipline.config
File "c:\users\mpower\zipline-trader\zipline_init_.py", line 30, in
from .utils.run_algo import run_algorithm
File "c:\users\mpower\zipline-trader\zipline\utils\run_algo.py", line 24, in
from zipline.data import bundles
File "c:\users\mpower\zipline-trader\zipline\data\bundles_init_.py", line 2, in
from . import quandl # noqa
File "c:\users\mpower\zipline-trader\zipline\data\bundles\quandl.py", line 16, in
from . import core as bundles
File "c:\users\mpower\zipline-trader\zipline\data\bundles\core.py", line 13, in
from ..adjustments import SQLiteAdjustmentReader, SQLiteAdjustmentWriter
File "c:\users\mpower\zipline-trader\zipline\data\adjustments.py", line 29, in
from ._adjustments import load_adjustments_from_sqlite
File "zipline\data_adjustments.pyx", line 35, in init zipline.data.adjustments
from zipline.assets.asset_writer import (
File "c:\users\mpower\zipline-trader\zipline\assets_init.py", line 22, in
from .assets import (
File "c:\users\mpower\zipline-trader\zipline\assets\assets.py", line 67, in
from .asset_writer import (
File "c:\users\mpower\zipline-trader\zipline\assets\asset_writer.py", line 453, in
class AssetDBWriter(object):
File "c:\users\mpower\zipline-trader\zipline\assets\asset_writer.py", line 464, in AssetDBWriter
def init(self, engine, asset_finder=None):
File "c:\users\mpower\zipline-trader\zipline\utils\preprocess.py", line 109, in _decorator
return _build_preprocessed_function(
File "c:\users\mpower\zipline-trader\zipline\utils\preprocess.py", line 246, in _build_preprocessed_function
new_func.code = CodeType(*map(getitem(args), _code_argorder))
TypeError: an integer is required (got type bytes)