Update app.py

app.py

@@ -34,6 +34,8 @@ from PyPDF2 import PdfFileReader
 from pdf2image import convert_from_bytes
 import pdfplumber
 from line_cor import mark_region
+import pdf2image
+
 
 # NLP Pkgs
 from textblob import TextBlob 
@@ -46,8 +48,9 @@ import pytesseract
 
 #pytesseract.pytesseract.tesseract_cmd = r"./Tesseract-OCR/tesseract.exe"
 from PIL import Image
+@st.experimental_singleton
 def read_pdf(file):
-    images=pdf2image.convert_from_bytes(file.read())
+    images=pdf2image.convert_from_bytes(file.read(),"rb")
     #pdfReader = PdfFileReader(file)
     #count = pdfReader.numPages
     all_page_text = ""