Trade List of stocks

Hi

So I'm trying to write an Algorythm to trade a list of stocks.  Unfortuantely I'm failing to even read in the strocks.  I can't load a backtest as it fails before completing.  Below is my code

from AlgorithmImports import *
import datetime
from io import StringIO
#import os
import pandas as pd
import traceback
#import typing



#import QuantConnect
#import requests
#import operator
#import math
#from SmartRollingWindow import *

#endregion

class OptimizedTransdimensionalReplicator(QCAlgorithm):

    def Initialize(self):
        self.SetStartDate(2020, 10, 1)  # Set Start Date
        self.SetCash(100000)  # Set Strategy Cash
        #tickers = ["AAPL", "MSFT", "TSLA"]
                
        try:
            data = StringIO(self.Download("https://www.dropbox.com/s/r1jwm0bhqsb4c02/Tips_20220304.csv?dl=0"))
            self.df1 = pd.read_csv(data)
            
        except Exception:
            ex = traceback.format_exc
            print(ex)
        
        tickers = SelectSymbols()
      #  self.symbols = [Symbol.Create(ticker, SecurityType.Equity, Market.USA)]

        self.SetUniverseSelection(FineFundamentalUniverseSelectionModel(self.CoarseSelectionFunction, self.FineSelectionFunction))
        self.UniverseSettings.Resolution = Resolution.Daily


    def SelectSymbols(self):
        symbols = []
      #  self.df2 = self.df1.groupby(['Symbol']).count()
      #  for i in self.df2.index:
      #   print(df2['Symbol'][i])
      #   symbols.append(df2['Symbol'][i])
      #  return symbols



    def func(self,x):
        return self.Securities[x].Fundamentals.ValuationRatios.NormalizedPERatio
        
        
    def OnData(self, data):
        selected = None
        
        
    def CoarseSelectionFunction(self, coarse):
        return self.symbols
    
    def FineSelectionFunction(self, fine):
        return self.symbols

The Error message I get is 

During the algorithm initialization, the following exception has occurred: ParserError : Error tokenizing data. C error: Expected 1 fields in line 2, saw 2

 at pandas._libs.parsers.raise_parser_error
 File "parsers.pyx" in parsers.pyx: line 2131
ParserError : Error tokenizing data. C error: Expected 1 fields in line 3, saw 2