Fix inputs

app.py

@@ -44,6 +44,7 @@ def convertSex(choice):
 def inputs():
     pclass = gr.inputs.Number(default=1.0, label="Pclass (Flight class 1/2/3)")
     sex = gr.inputs.Radio(["Male", "Female"], label="Sex")
+    sex_num = gr.Number(value=1.0)
     sex.change(fn=convertSex, inputs=sex, outputs=sex_num)
     age = gr.inputs.Number(default=1.0, label="Age (in years)")
     sibsp = gr.inputs.Number(default=1.0, label="SibSp (number of siblings)")