BulletML.FromDocument: Type detector. Various setstate bug fixes.

[python-bulletml.git] / bulletml / expr.py

diff --git a/bulletml/expr.py b/bulletml/expr.py
index b72fa22..a00c99e 100644 (file)
--- a/bulletml/expr.py
+++ b/bulletml/expr.py
@@ -37,7 +37,7 @@ class NumberDef(object):
             expr = expr.string
         except AttributeError:
             pass
-        self.string = str(expr)
+        self.string = expr = str(expr)
         repl = lambda match: "params[%d]" % (int(match.group()[1:]) - 1)
         expr = re.sub(r"\$\d+", repl, expr.lower())
         self.__expr = expr.replace("$rand", "random()").replace("$rank", "rank")