diff --git a/src/calibre/ebooks/oeb/base.py b/src/calibre/ebooks/oeb/base.py
index 0abc1e2197..6eb6d1b341 100644
--- a/src/calibre/ebooks/oeb/base.py
+++ b/src/calibre/ebooks/oeb/base.py
@@ -125,8 +125,8 @@ def iterlinks(root, find_links_in_css=True):
 
         if tag == XHTML('object'):
             codebase = None
-            ## <object> tags have attributes that are relative to
-            ## codebase
+            # <object> tags have attributes that are relative to
+            # codebase
             if 'codebase' in attribs:
                 codebase = el.get('codebase')
                 yield (el, 'codebase', codebase, 0)
@@ -604,8 +604,8 @@ class Metadata(object):
                 allowed = self.allowed
                 if allowed is not None and term not in allowed:
                     raise AttributeError(
-                        'attribute %r not valid for metadata term %r'
-                            % (self.attr(term), barename(obj.term)))
+                        'attribute %r not valid for metadata term %r' % (
+                            self.attr(term), barename(obj.term)))
                 return self.attr(term)
 
             def __get__(self, obj, cls):