Upload app.py (#1)

- Upload app.py (af88d7595fd4f2275f3423fa8be4d2767c56fea4)

app.py

@@ -0,0 +1,10 @@
+import gradio as gr
+import cv2
+
+def to_black(image):
+  output = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
+  print('===========================')
+  return output
+
+interface = gr.Interface(fn=to_black, inputs="image", outputs="image")
+interface.launch(share=True)