Update app.py

app.py

@@ -47,7 +47,7 @@ if uploaded_file is not None:
             params = neural_style.TransferParams()
             params.gpu = "c"
             params.backend = "mkl"
-            params.image_size = 128
+            params.image_size = 512
             params.content_image = uploaded_file
             path = 'styles'
             styles = os.listdir(path)