Update app.py

app.py

@@ -1,20 +1,29 @@
 import gradio as gr
 import backgammon
 
-
 def greet(original_string):
- delimiter = "}}"
- split_parts = original_string.split(delimiter, 1)
- part1 = split_parts[0]
- part2 = delimiter + split_parts[1]
- part2 = part2.replace("}}", "")
- b = backgammon.Backgammon(part1, part2)
- 
- for play in b.generate_plays():
-   return play.moves
-
+    delimiter = "}}"
+    
+    # Split the string based on the delimiter
+    split_parts = original_string.split(delimiter, 1)
+    
+    # Check if the delimiter is found and handle potential errors
+    if len(split_parts) < 2:
+        return "Input string is incorrectly formatted. Missing delimiter."
+    
+    part1 = split_parts[0]
+    part2 = delimiter + split_parts[1]
+    part2 = part2.replace("}}", "")
+    
+    # Ensure backgammon.Backgammon accepts these arguments
+    b = backgammon.Backgammon(part1, part2)
+    
+    # Generate plays and return moves
+    for play in b.generate_plays():
+        return play.moves  # Ensure play.moves is a string
 
+# Ensure the inputs and outputs match what `greet` returns
 demo = gr.Interface(fn=greet, inputs="text", outputs="text")
 demo.queue(api_open=True)
 
-demo.launch()
+demo.launch()