Create app.py

app.py

@@ -0,0 +1,17 @@
+import gradio as gr
+
+# Used in gradio unit test
+
+with gr.Blocks() as demo:
+    with gr.Row():
+        with gr.Column():
+            num = gr.Number()
+            minus_one_btn = gr.Button(value="minus one")
+            double_btn = gr.Button(value="double")
+        with gr.Column():
+            minus_one = gr.Number()
+            double = gr.Number()
+    minus_one_btn.click(lambda s: s - 1, num, minus_one, api_name="minus_one")
+    double_btn.click(lambda s: s * 2, num, double, api_name="double")
+
+demo.launch()