Fix `var not defined' bug introduced in 31231dee4f

diff --git a/kamaki/clients/pithos.py b/kamaki/clients/pithos.py
index 4fe7926..9698631 100644 (file)
--- a/kamaki/clients/pithos.py
+++ b/kamaki/clients/pithos.py
@@ -82,7 +82,7 @@ class PithosClient(StorageClient):
         blockhash = meta['block-hash']
 
         size = size if size is not None else os.fstat(f.fileno()).st_size
-        nblocks = 1 + (file_size - 1) // blocksize
+        nblocks = 1 + (size - 1) // blocksize
         hashes = []
         map = {}