Add pick color

pages/App.py

@@ -267,9 +267,9 @@ def load_image(in_image_file):
     #    out_image_path = "img."+in_image_file.name.split('.')[-1]
 
     if isinstance(in_image_file, str):
-        out_image_path = "tmp/wrk_"+in_image_file
+        out_image_path = "tmp_"+in_image_file
     else:
-        out_image_path = "tmp/wrk_"+in_image_file.name
+        out_image_path = "tmp_"+in_image_file.name
 
     img = Image.open(in_image_file)
     img_saved = img.save(out_image_path)