Separate element constructors from regular constructors.

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

diff --git a/bulletml/impl.py b/bulletml/impl.py
index 9139f9c..92982db 100644 (file)
--- a/bulletml/impl.py
+++ b/bulletml/impl.py
@@ -7,7 +7,7 @@ from __future__ import division
 
 import math
 
-from bulletml import parser, errors
+from bulletml import parser
 
 # TODO(jfw): This is very non-Pythonic, it's pretty much just the
 # BulletML reference ActionImpl translated to Python.
@@ -297,6 +297,7 @@ class Bullet(object):
     @classmethod
     def FromDoc(cls, doc, params=(), x=0, y=0, speed=0, direction=0,
                 target=None, rank=0.5):
+        """Construct a bullet from top-level actions in a document."""
         actions = [act(params, rank) for act in doc.top]
         return cls(x, y, direction, speed, target, actions, rank=rank)