@@ -109,7 +109,7 @@ class MultiPartUpload(object):

         # TODO implement Content-MD5

         content_length = str(len(data))

         debug("Uploading part %i of %r (%s bytes)" % (id, self.upload_id, content_length))

-        headers = { "Content-Length": content_length }

+        headers = { "content-length": content_length }

         query_string = "?partNumber=%i&uploadId=%s" % (id, self.upload_id)

         request = self.s3.create_request("OBJECT_PUT", uri = self.uri, headers = headers, extra = query_string)

         response = self.s3.send_request(request, body = data)

@@ -127,7 +127,7 @@ class MultiPartUpload(object):

             parts_xml.append(part_xml % (id, etag))

         body = "<CompleteMultipartUpload>%s</CompleteMultipartUpload>" % ("".join(parts_xml))

-        headers = { "Content-Length": len(body) }

+        headers = { "content-length": len(body) }

         request = self.s3.create_request("OBJECT_POST", uri = self.uri, headers = headers, extra = "?uploadId=%s" % (self.upload_id))

         response = self.s3.send_request(request, body = body)

@@ -753,7 +753,7 @@ class S3(object):

         file.seek(0)

         upload.upload_all_parts(num_threads, chunk_size)

-        response = upload.complete_multipart_upload(num_threads, chunk_size)

+        response = upload.complete_multipart_upload()

         response["speed"] = 0 # XXX

         return response