TypeError: an integer is required (got type bytes)

[cdsmumbai]

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

[maj-dias]

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.