diff --git a/speedtest.py b/speedtest.py
index 14d2dd6..d44ff5d 100755
--- a/speedtest.py
+++ b/speedtest.py
@@ -1526,7 +1526,8 @@ class Speedtest(object):
             headers = {'Content-length': size}
             requests.append(
                 (
-                    build_request(self.best['url'], data, secure=self._secure, headers=headers),
+                    build_request(self.best['url'], data, secure=self._secure,
+                                  headers=headers),
                     size
                 )
             )