From 86ba283acc3902123ee7431a981c5caf30598f20 Mon Sep 17 00:00:00 2001
From: Tom Clegg <tom@clinicalfuture.com>
Date: Tue, 25 Jun 2013 00:16:21 -0400
Subject: [PATCH] reader fixes

---
 sdk/python/arvados.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sdk/python/arvados.py b/sdk/python/arvados.py
index c242a5e24b..7593235c27 100644
--- a/sdk/python/arvados.py
+++ b/sdk/python/arvados.py
@@ -226,7 +226,7 @@ class StreamReader:
         else:
             self._current_datablock_pos += self.current_datablock_size()
             self._current_datablock_index += 1
-        self._current_datablock = None
+        self._current_datablock_data = None
     def current_datablock_data(self):
         if self._current_datablock_data == None:
             self._current_datablock_data = Keep.get(self.data_locators[self._current_datablock_index])
@@ -259,7 +259,7 @@ class StreamReader:
             self.nextdatablock()
             if self._current_datablock_index >= len(self.data_locators):
                 return None
-        data = self.current_datablock_data()[self._pos:self._pos+size]
+        data = self.current_datablock_data()[self._pos - self._current_datablock_pos : self._pos - self._current_datablock_pos + size]
         self._pos += len(data)
         return data
 
-- 
2.30.2