Traceback (most recent call last):


 "calibre_plugins.dedrm.kindlekey", line 1540, in getDBfrom


cleartext = UnprotectHeaderData(encryptedValue)


 "calibre_plugins.dedrm.kindlekey", line 1408, in UnprotectHeaderData

crp = LibCrypto()
TypeError: 'NoneType' object is not callable

Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/yfinance/base.py", line 225, in history

df = _pd.concat([quotes, dividends, splits], axis=1, sort=True)


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/reshape/concat.py", line 274, in concat

op = _Concatenator(


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/reshape/concat.py", line 454, in __init__

self.new_axes = self._get_new_axes()


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/reshape/concat.py", line 519, in _get_new_axes

return [


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/reshape/concat.py", line 520, in <listcomp>

self._get_concat_axis() if i == self.bm_axis else self._get_comb_axis(i)


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/reshape/concat.py", line 526, in _get_comb_axis

return get_objs_combined_axis(


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/indexes/api.py", line 92, in get_objs_combined_axis

return _get_combined_index(obs_idxes, intersect=intersect, sort=sort, copy=copy)


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/indexes/api.py", line 145, in _get_combined_index

index = union_indexes(indexes, sort=sort)


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/indexes/api.py", line 214, in union_indexes

return result.union_many(indexes[1:])


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/indexes/datetimes.py", line 377, in union_many

this, other = this._maybe_utc_convert(other)


 "/Users/user/.pyenv/versions/3.8.5/lib/python3.8/site-packages/pandas/core/indexes/datetimelike.py", line 903, in _maybe_utc_convert

raise TypeError("Cannot join tz-naive with tz-aware DatetimeIndex")
TypeError: Cannot join tz-naive with tz-aware DatetimeIndex