Update app.py

app.py

@@ -56,7 +56,7 @@ def read_pdf(file):
     pdfReader = PdfFileReader(file)
     count = pdfReader.numPages
     all_page_text = " "
-    for i range(count):
+    for i in range(count):
         page = pdfReader.getPage(i)
         # img = Image.open(page)
         # img = Image.open(page)