diff --git a/libpysal/common.py b/libpysal/common.py
index a47f43f61..91f9814f8 100644
--- a/libpysal/common.py
+++ b/libpysal/common.py
@@ -14,7 +14,7 @@
 import pandas
 
 try:
-    from patsy import PatsyError
+    from patsy import PatsyError  ## Should patsy be a hard dependency?
 except ImportError:
     PatsyError = Exception