Update app.py

app.py

@@ -5,6 +5,8 @@ import subprocess
 proc = subprocess.Popen('apt-get install -y tesseract-ocr poppler-utils', shell=True, stdin=None, stdout=open(os.devnull,"wb"), executable="/bin/bash")
 proc.wait()
 from pdf2image import convert_from_path
+from PIL import Image
+import pytesseract
 import numpy as np
 import pandas as pd
 import gradio as gr