Update app.py

app.py

@@ -180,6 +180,7 @@ def _(get_label, mo):
 
 @app.cell
 def _(X, cosine_similarity, form, get_label, mo, pl, texts, tfm):
+    mo.stop(not form.value, "Need a text input to fetch example")
     mo.stop(not form.value.get("text_input", None), "Need a text input to fetch example")
 
     df_emb = (