ENH: add comment, add missing method

ilanschnell · Apr 10, 2012 · 036eb29 · 036eb29
1 parent 09dcb7c
commit 036eb29
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/bitarray/__init__.py b/bitarray/__init__.py
@@ -127,6 +127,9 @@ class frozenbitarray(_bitarray):
     def __repr__(self):
         return 'frozen' + _bitarray.__repr__(self)
 
+    # the following methods need to be made unavailable,
+    # as they may mutate the object
+
     def append(self, item):
         raise NotImplementedError
 
@@ -136,6 +139,9 @@ def bytereverse(self):
     def extend(self, arg):
         raise NotImplementedError
 
+    def _encode(self):
+        raise NotImplementedError
+
     def fill(self):
         raise NotImplementedError
 
@@ -190,7 +196,7 @@ def __ior__(self, other):
     def __ixor__(self, other):
         raise NotImplementedError
 
-    def __invert__(self, other):
+    def __invert__(self):
         raise NotImplementedError