fix exception for no data with YahooDailyReader

[Borda]

addresses issue when data are not found in requested page, to reproduce:

import pandas_datareader.data as web # Fetch stock data using pandas_datareader def fetch_stock_data(symbol='AAPL', start_date='2020-01-01', end_date='2021-01-01'): df = web.DataReader(symbol, 'yahoo', start_date, end_date) return df['Close'].values print(fetch_stock_data())

cc: @bashtage

[Borda]

if a patter is not found it crashes with different exception:
AttributeError: 'NoneType' object has no attribute 'group'

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.88%. Comparing base (a1cf7a2) to head (74f9a90).

Additional details and impacted files

@@ Coverage Diff @@ ## main #994 +/- ## ========================================== - Coverage 68.34% 66.88% -1.47%  ========================================== Files 65 65 Lines 2894 2893 -1 Branches 463 463 ========================================== - Hits 1978 1935 -43  - Misses 838 882 +44  + Partials 78 76 -2 

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