Leitor de Arquivo

def nomicstopd(carteira, moedas):
	from nomics import Nomics
	import pandas as pd
	from tkinter import *
	from tkinter import filedialog
	entrada = Nomics("e8c83b99b4e778bb2f693206d108597b0a003c54")
	# moedas = "BTC,ETH,DENT,XRP,KEY,LTC,REEF,CHR,MBL,NN,XLM,EOS,TROY,ZIL"
	mercado = entrada.Markets.get_markets(exchange = 'binance')
	coin2 = entrada.Currencies.get_currencies(ids = moedas, interval="1d", sort="rank")
	dados = {'Coin':[element["id"] for element in coin2],'Preço(USD)':[element["price"] for element in coin2]}
	df=pd.DataFrame(dados)
	df["Preço(USD)"]=df["Preço(USD)"].astype(float)
	df["carteira"]= carteira
	df["total"] = df["carteira"]*df["Preço(USD)"]
	return df
	def abridor():
		window = Tk()
		arquivo = filedialog.askopenfilename(initialdir = "/", title="Selecione o Arquivo", filetypes = ("Comma-separetedvalues", "*.csv")