Update app.py

app.py

@@ -51,7 +51,7 @@ def respond(
         response += token
         yield response
         
-    print(f"{datetime.datetime,now()}::{messages[-1]}->{response}")
+    print(f"{datetime.datetime.now()}::{messages[-1]}->{response}")
     
 def encode_image(image_path):
     with open(image_path, "rb") as image_file: