Update app.py

app.py

@@ -10,7 +10,7 @@ def update_key_options(key_type):
 def privcsr(domains_input, email, key_type, key_size=None, key_curve=None):
     domains = domains_input.split(",")
     private_key, csr = gen_pvt_csr(domains, email, key_type, key_size=int(key_size) if key_type == "rsa" else key_curve)
-    return private_key, csr
+    return private_key.decode(), csr.decode()
 
 def app():
     with gr.Blocks(title="Project Gatekeeper - Get free SSL Certificates") as webui: