Update app.py

app.py

@@ -84,9 +84,9 @@ def upload_file(file):
         with open(file.name, 'rb') as pdf_file:
             pdf_reader = PyPDF2.PdfReader(pdf_file)
             text = ''
-            for page_num in range(pdf_reader.getNumPages()):
-                page = pdf_reader.getPage(page_num)
-                text += page.extractText()
+            for page_num in range(len(pdf_reader.pages)):
+                page = pdf_reader.pages[page_num]
+                text += page.extract_text()
                 
             return findRealProb(text)
         # pdf_file = file.name