title: Filenotfounderror File b'.csv' does not exist
body: <pre><code>import csv
  import os
  import pandas as pd
  os.chdir(r'C:\Users\khalha\Desktop\AllSalesForecasting')
  
  
  dataframe12 = pd.read_csv('54.csv')
  june18 = pd.read_csv('54.csv', index_col="Customer")
  
  print(june18) 
  </code></pre>
  
  <p>Even if I dont have the last 2 lines, I am recieveing an error:</p>
  
  <blockquote>
    <p>FileNotFoundError: File b'54.csv' does not exist</p>
  </blockquote>
  
  <p>I have no idea why this is happening for I have done many problems using this format, but now it does not seem to work. </p>