1 files changed, 3 insertions, 1 deletions
diff --git a/gradient.py b/gradient.py
index 247dc63..991f853 100755
--- a/gradient.py
+++ b/gradient.py
@@ -19,8 +19,10 @@ import sha
 #}}}
 
 def is_color(s):
+  if s == "":
+    return "transparent"
   if re.match('(rgba?\([0-9]+,[0-9]+,[0-9]+\))|([a-zA-Z]+)|(\#[A-Ha-h0-9]+)', s):
-    return s
+    return s.replace(' ','')
   else:
     raise ValueError
 PARAM_LIST = [