commit 9e2a28ea54107e0f9c91ae3094974a310d0da027
author Nadeem Vawda <nadeem.vawda@gmail.com> Sun Sep 30 13:41:29 2012 +0200
committer Nadeem Vawda <nadeem.vawda@gmail.com> Sun Sep 30 13:41:29 2012 +0200
tree 66561c4ce78301c715d1066feea2aab943d92428
parent 28714c8c26d72cfb3cee4d05f9f5b7390cda291b

Fix the return value of BZ2File._read_block() to be consistent with comments.

Lib/bz2.py

diff --git a/Lib/bz2.py b/Lib/bz2.py
index 61d989b..fe4118f 100644
--- a/Lib/bz2.py
+++ b/Lib/bz2.py
@@ -226,7 +226,7 @@
             data = self._buffer[self._buffer_offset : end]
             self._buffer_offset = end
             self._pos += len(data)
-            return data
+            return data if return_data else None
 
         # The loop assumes that _buffer_offset is 0. Ensure that this is true.
         self._buffer = self._buffer[self._buffer_offset:]