pandas-1.4 yfinance-0.1.69 AttributeError: 'Index' object has no attribute 'tz_localize'

[peterxie1]

Just upgraded to yfinance-0.1.69 and pandas-1.4 you will likely hit this issue. The code is trivial and used to work fine. Any suggestions?

python-3.9.10
windows 10

python
Python 3.9.10 (tags/v3.9.10:f2f3f53, Jan 17 2022, 15:14:21) [MSC v.1929 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.

import yfinance as yf
yf.version
'0.1.69'
ticker = "QQQ"
period = "1d"
interval = "5m"
print(ticker, period, interval)
QQQ 1d 5m
yf.download([ticker], period=period, interval=interval)
Exception in thread Thread-3:
Traceback (most recent call last):
File "C:\Users\peter\AppData\Local\Programs\Python\Python39\lib\threading.py", line 973, in _bootstrap_inner
self.run()
File "C:\Users\peter\AppData\Local\Programs\Python\Python39\lib\threading.py", line 910, in run
self._target(*self._args, **self.kwargs)
File "C:\Users\peter\AppData\Local\Programs\Python\Python39\lib\site-packages\multitasking_init.py", line 104, in _run_via_pool
return callee(*args, **kwargs)
File "C:\Users\peter\AppData\Local\Programs\Python\Python39\lib\site-packages\yfinance\multi.py", line 188, in _download_one_threaded
data = _download_one(ticker, start, end, auto_adjust, back_adjust,
File "C:\Users\peter\AppData\Local\Programs\Python\Python39\lib\site-packages\yfinance\multi.py", line 202, in _download_one
return Ticker(ticker).history(period=period, interval=interval,
File "C:\Users\peter\AppData\Local\Programs\Python\Python39\lib\site-packages\yfinance\base.py", line 295, in history
df.index = df.index.tz_localize("UTC").tz_convert(
AttributeError: 'Index' object has no attribute 'tz_localize'
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\peter\AppData\Local\Programs\Python\Python39\lib\site-packages\yfinance\multi.py", line 112, in download
_time.sleep(0.01)
KeyboardInterrupt

[tsdeng]

lol, just saw the same problem and spent an hour debugging.
It happens with pandas version 1.4 which is just released yesterday.
To workaround it, you can install pip install pandas==1.3.5.
But yeah, it's a problem that needs a fix when using pandas 1.4

[peterxie1]

Thanks for the note! yes, downgrading pandas from 1.4 to 1.3.5 worked-around this issue.

[wonka929]

yes, same issue here!

[nichmetsa]

same issue here

[v3natio]

same here, had to roll back the pandas version

[ysdede]

lol, just saw the same problem and spent an hour debugging. It happens with pandas version 1.4 which is just released yesterday. To workaround it, you can install pip install pandas==1.3.5. But yeah, it's a problem that needs a fix when using pandas 1.4

Thanks!

[Rational-IM]

I also tried downgrading yfinance to older versions - it didn't work. There were other changes on pandas 1.4 that required some adjustments on other parts of my code - maybe this update is a broader one.

[mundus08]

I faced the same problem. It might be related to pandas change:
"Ignoring dtypes in concat with empty or all-NA columns"
The problem seams to in
df = _pd.concat([quotes, dividends, splits], axis=1, sort=True)

df.intext.dtype=object in pandas 1.4 because dividends and splits are empty.
With pandas 1.3.5 df.intext.dtype=datetime64[ns]

[Dharmik-19]

Hi @mundus08 , I am a newbie in the deployment domain. I was curious how you find the exact lines which might be the solution to the problem we are facing. So, did you go through the entire code for pandas to find the prospective lines which can be causing the trouble?

[mundus08]

Hi @Dharmik-19
the stack trace contained the line number where the problem occured in yfinance. Then I added some print statements to the code and found out that the index dtype has changed. I suspected that it was due to the concat statement (because the dtype of the quotes df was still correct). In the release notes of pandas 1.4 I found a reference to the changes in the concat method.

[ProgrammingDao]

Duplicate of #937 I believe.

[Rational-IM]

Although #937 was closed, I still get an error message after updating Python/Pandas. I run the file test_yfinance.py and here are the results:

=========================================
ERROR: test_attributes (main.TestTicker)

Traceback (most recent call last):
File "C:\Users\danil\OneDrive\Python_projects\RIM_trading\untitled0.py", line 44, in test_attributes
ticker.dividends
File "C:\Users\danil\anaconda3\envs\spyder-5.2.2\lib\site-packages\yfinance\ticker.py", line 131, in dividends
return self.get_dividends()
File "C:\Users\danil\anaconda3\envs\spyder-5.2.2\lib\site-packages\yfinance\base.py", line 692, in get_dividends
self.history(period="max", proxy=proxy)
File "C:\Users\danil\anaconda3\envs\spyder-5.2.2\lib\site-packages\yfinance\base.py", line 295, in history
df.index = df.index.tz_localize("UTC").tz_convert(
AttributeError: 'Index' object has no attribute 'tz_localize'

=========================================
ERROR: test_info_history (main.TestTicker)

Traceback (most recent call last):
File "C:\Users\danil\OneDrive\Python_projects\RIM_trading\untitled0.py", line 35, in test_info_history
history = ticker.history(period="max")
File "C:\Users\danil\anaconda3\envs\spyder-5.2.2\lib\site-packages\yfinance\base.py", line 295, in history
df.index = df.index.tz_localize("UTC").tz_convert(
AttributeError: 'Index' object has no attribute 'tz_localize'

---

Ran 3 tests in 20.653s

FAILED (errors=2)

[neilsmurphy]

Confirm downgrading to pandas 1.3.5 solved the issue.