Update app.py

app.py

@@ -53,7 +53,7 @@ if uploaded_file is not None:
     keep_style = False
     if run==True:
         # run image selection if keep style is false
-        if keep_style==False
+        if keep_style==False:
             path = 'stylesv2'
             styles = os.listdir(path)
             params.style_weight = style_weight