def __init__(self, master):

    master.title('Searcpage'
    self.entry_stock = ttk.Entry(self.frame_content, width = 30, font = ('Arial', 15))
    self.entry_stock.grid(row = 4, column = 0, padx = 15, columnspan=2)

    ttk.Button(self.frame_content, text = 'OK', command = self.ok).grid(row = 6, column = 0, padx = 5, sticky = 'e')
    ttk.Button(self.frame_content, text = 'Clear', command = self.clear).grid(row = 6, column = 1, padx = 5, sticky = 'w')


def ok(self):

    tickers= [self.entry_stock]

    yahoo_financials = YahooFinancials(tickers)

    new_data = pd.DataFrame()
    for t in tickers : new_data[t] = wb.DataReader(t, data_source ='yahoo', start = '2004-1-1')['Adj Close']

    print(new_data[t])

    self.clear()

def clear(self):
    self.entry_stock.delete(0, 'end')

root = Tk()
searchpage = Searcpages(root)
root.mainloop()

self.ticker = ticker.upper() if isinstance(ticker, str) else [t.upper() for t in ticker]
    self._cache = {}