Update app.py

app.py

@@ -3,9 +3,9 @@ from transformers import pipeline
 
 pipe = pipeline(task='text-generation', model='Marxav/frpron')
 x = st.text_input('Write a French word:')
-x += ':'
 
 if x:
+    x += ':'
     out = pipe(x)
     word_ipa = out[0]["generated_text"]
     word = word_ipa.split(":")[0]