quantopian
TypeError: an integer is required (got type bytes)
Problem Description
Please provide a minimal, self-contained, and reproducible example:
[Paste code here]
import pyfolio as pf Please provide the full traceback:
[Paste traceback here]
```---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-11-1977abd82007> in <module>
----> 1 import pyfolio as pf
~\anaconda3\lib\site-packages\pyfolio\__init__.py in <module>
----> 1 from . import utils
2 from . import timeseries
3 from . import pos
4 from . import txn
5 from . import interesting_periods
~\anaconda3\lib\site-packages\pyfolio\utils.py in <module>
26 import empyrical.utils
27
---> 28 from . import pos
29 from . import txn
30
~\anaconda3\lib\site-packages\pyfolio\pos.py in <module>
20
21 try:
---> 22 from zipline.assets import Equity, Future
23 ZIPLINE = True
24 except ImportError:
c:\users\home\src\zipline-trader\zipline\__init__.py in <module>
27 from .utils.numpy_utils import numpy_version
28 from .utils.pandas_utils import new_pandas
---> 29 from .utils.run_algo import run_algorithm
30 from ._version import get_versions
31
c:\users\home\src\zipline-trader\zipline\utils\run_algo.py in <module>
22 from trading_calendars import get_calendar
23
---> 24 from zipline.data import bundles
25 from zipline.data.benchmarks import get_benchmark_returns_from_file
26 from zipline.data.data_portal import DataPortal
c:\users\home\src\zipline-trader\zipline\data\bundles\__init__.py in <module>
1 # These imports are necessary to force module-scope register calls to happen.
----> 2 from . import quandl # noqa
3 from . import csvdir # noqa
4 from . import alpaca_api
5 from . import alpha_vantage_api
c:\users\home\src\zipline-trader\zipline\data\bundles\quandl.py in <module>
14 from trading_calendars import register_calendar_alias
15
---> 16 from . import core as bundles
17 import numpy as np
18
c:\users\home\src\zipline-trader\zipline\data\bundles\core.py in <module>
11 from toolz import curry, complement, take
12
---> 13 from ..adjustments import SQLiteAdjustmentReader, SQLiteAdjustmentWriter
14 from ..bcolz_daily_bars import BcolzDailyBarReader, BcolzDailyBarWriter
15 from ..minute_bars import (
c:\users\home\src\zipline-trader\zipline\data\adjustments.py in <module>
27 from zipline.utils.pandas_utils import empty_dataframe
28 from zipline.utils.db_utils import group_into_chunks, coerce_string_to_conn
---> 29 from ._adjustments import load_adjustments_from_sqlite
30
31 log = Logger(__name__)
c:\users\home\src\zipline-trader\zipline\data\_adjustments.pyx in init zipline.data._adjustments()
c:\users\home\src\zipline-trader\zipline\assets\__init__.py in <module>
20 make_asset_array,
21 )
---> 22 from .assets import (
23 AssetFinder,
24 AssetConvertible,
c:\users\home\src\zipline-trader\zipline\assets\assets.py in <module>
65 OrderedContracts,
66 )
---> 67 from .asset_writer import (
68 check_version_info,
69 split_delimited_symbol,
c:\users\home\src\zipline-trader\zipline\assets\asset_writer.py in <module>
451
452
--> 453 class AssetDBWriter(object):
454 """Class used to write data to an assets db.
455
c:\users\home\src\zipline-trader\zipline\assets\asset_writer.py in AssetDBWriter()
462
463 @preprocess(engine=coerce_string_to_eng(require_exists=False))
--> 464 def __init__(self, engine, asset_finder=None):
465 self.asset_finder = asset_finder
466 self.engine = engine
c:\users\home\src\zipline-trader\zipline\utils\preprocess.py in _decorator(f)
107 )
108
--> 109 return _build_preprocessed_function(
110 f, processors, args_defaults, varargs, varkw,
111 )
c:\users\home\src\zipline-trader\zipline\utils\preprocess.py in _build_preprocessed_function(func, processors, args_defaults, varargs, varkw)
244
245 args['co_firstlineno'] = original_code.co_firstlineno
--> 246 new_func.__code__ = CodeType(*map(getitem(args), _code_argorder))
247 return new_func
TypeError: an integer is required (got type bytes)
**Please provide any additional information below:**
## Versions
* Pyfolio version: 3
* Python version: 3.8.5
* Pandas version: 1.1.3
* Matplotlib version: 3.32
I think I'm having a similar problem.
`--------------------------------------------------------------------------- TypeError Traceback (most recent call last) Cell In[5], line 4 2 import pandas as pd 3 import pyodbc ----> 4 import pyfolio as pf 5 import yfinance as yf
File ~\AppData\Local\anaconda3\lib\site-packages\pyfolio_init_.py:3 1 import warnings ----> 3 from . import utils 4 from . import timeseries 5 from . import pos
File ~\AppData\Local\anaconda3\lib\site-packages\pyfolio\utils.py:28 24 from IPython.display import display, HTML 26 import empyrical.utils ---> 28 from . import pos 29 from . import txn 31 APPROX_BDAYS_PER_MONTH = 21
File ~\AppData\Local\anaconda3\lib\site-packages\pyfolio\pos.py:22 19 import warnings 21 try: ---> 22 from zipline.assets import Equity, Future 23 ZIPLINE = True 24 except ImportError:
File ~\AppData\Local\anaconda3\lib\site-packages\zipline_init_.py:21 17 import numpy as np 19 # This is not a place to dump arbitrary classes/modules for convenience, 20 # it is a place to expose the public interfaces. ---> 21 from trading_calendars import get_calendar 23 from . import data 24 from . import finance
File ~\AppData\Local\anaconda3\lib\site-packages\trading_calendars_init_.py:16 1 # 2 # Copyright 2018 Quantopian, Inc. 3 # (...) 13 # See the License for the specific language governing permissions and 14 # limitations under the License. ---> 16 from .trading_calendar import TradingCalendar 17 from .calendar_utils import ( 18 clear_calendars, 19 deregister_calendar, (...) 25 resolve_alias, 26 ) 28 all = [ 29 'clear_calendars', 30 'deregister_calendar', (...) 37 'TradingCalendar', 38 ]
File ~\AppData\Local\anaconda3\lib\site-packages\trading_calendars\trading_calendar.py:33 30 from pandas.tseries.offsets import CustomBusinessDay 31 import toolz ---> 33 from .calendar_helpers import ( 34 NP_NAT, 35 compute_all_minutes, 36 next_divider_idx, 37 previous_divider_idx, 38 ) 39 from .utils.memoize import lazyval 40 from .utils.pandas_utils import days_at_time
File ~\AppData\Local\anaconda3\lib\site-packages\trading_calendars\calendar_helpers.py:6 2 import pandas as pd 4 NANOSECONDS_PER_MINUTE = int(6e10) ----> 6 NP_NAT = np.array([pd.NaT], dtype=np.int64)[0] 9 def next_divider_idx(dividers, minute_val): 11 divider_idx = np.searchsorted(dividers, minute_val, side="right")
TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NaTType'`
when importing pyfolio with the most updated version.
