code: def test_weekly_2rows_fix(self):
      tkr = "AMZN"
      start = _dt.date.today() - _dt.timedelta(days=14)
      start -= _dt.timedelta(days=start.weekday())
  
      dat = yf.Ticker(tkr)
      df = dat.history(start=start, interval="1wk")
      self.assertTrue((df.index.weekday == 0).all())
  
imports: from .context import yfinance
  from .context import session_gbl
  import unittest
  import os
  import datetime
  import pytz
  import numpy
  import pandas
label_desc: Use image node_id 22 for calling the TestPriceHistory obj's underlying member method code with example usage: obj.test_weekly_2rows_fix() without return types