diff --git a/rest_framework/compat.py b/rest_framework/compat.py
index 037234baa..9d8be0599 100644
--- a/rest_framework/compat.py
+++ b/rest_framework/compat.py
@@ -188,8 +188,8 @@ try:
         HEADERID_EXT_PATH = 'headerid'
         LEVEL_PARAM = 'level'
     elif (not hasattr(markdown, '__version__') or
-            (isinstance(markdown.__version__, type(''))
-            and markdown.version < '2.6')):
+          (isinstance(markdown.__version__, type(''))
+           and markdown.version < '2.6')):
         HEADERID_EXT_PATH = 'markdown.extensions.headerid'
         LEVEL_PARAM = 'level'
     else: