Update app.py

app.py

@@ -26,7 +26,7 @@ def view_pdf(pdf_file):
         pdf_data = f.read()
     # print("pdf_file", pdf_file)
     # pdf_data = pdf_file
-    b64_data = base64.b64encode(pdf_data).decode()
+    b64_data = base64.b64encode(pdf_data).decode('utf-8')
     # print("b64_data", b64_data)
     return f"<embed src='data:application/pdf;base64,{b64_data}' type='application/pdf' width='100%' height='700px' />"