title: UnicodeDecodeError: 'charmap' codec can't decode byte 0x8f in position 123: character maps to <undefined>
body: <p>I wrote this code:</p>
  <pre><code>@app.route('/cafes')
  def cafes():
      with open('cafe-data.csv', newline='') as csv_file
          csv_data = csv.reader(csv_file, delimiter=',')
          list_of_rows = []
          for row in csv_data:
              list_of_rows.append(row)
     return render_template('cafes.html', cafes=list_of_rows)
  </code></pre>
  <p>But got this error on my website</p>