diff --git a/src/calibre/gui2/actions/convert.py b/src/calibre/gui2/actions/convert.py
index fed921ece6..dd1f26b255 100644
--- a/src/calibre/gui2/actions/convert.py
+++ b/src/calibre/gui2/actions/convert.py
@@ -71,10 +71,11 @@ class ConvertAction(InterfaceAction):
 
     def auto_convert(self, book_ids, on_card, format):
         previous = self.gui.library_view.currentIndex()
-        rows = [x.row() for x in \
+        rows = [x.row() for x in
                 self.gui.library_view.selectionModel().selectedRows()]
         jobs, changed, bad = convert_single_ebook(self.gui, self.gui.library_view.model().db, book_ids, True, format)
-        if jobs == []: return
+        if jobs == []:
+            return
         self.queue_convert_jobs(jobs, changed, bad, rows, previous,
                 self.book_auto_converted, extra_job_args=[on_card])
 
@@ -92,16 +93,18 @@ class ConvertAction(InterfaceAction):
             jobs, changed, bad = convert_single_ebook(self.gui,
                     self.gui.library_view.model().db, needed, True, of,
                     show_no_format_warning=False)
-            if not jobs: return
+            if not jobs:
+                return
             self.queue_convert_jobs(jobs, changed, bad, list(needed), previous,
                     self.book_converted, rows_are_ids=True)
 
     def auto_convert_mail(self, to, fmts, delete_from_library, book_ids, format, subject):
         previous = self.gui.library_view.currentIndex()
-        rows = [x.row() for x in \
+        rows = [x.row() for x in
                 self.gui.library_view.selectionModel().selectedRows()]
         jobs, changed, bad = convert_single_ebook(self.gui, self.gui.library_view.model().db, book_ids, True, format)
-        if jobs == []: return
+        if jobs == []:
+            return
         self.queue_convert_jobs(jobs, changed, bad, rows, previous,
                 self.book_auto_converted_mail,
                 extra_job_args=[delete_from_library, to, fmts, subject])
@@ -110,31 +113,34 @@ class ConvertAction(InterfaceAction):
         previous = self.gui.library_view.currentIndex()
         rows = [x.row() for x in self.gui.library_view.selectionModel().selectedRows()]
         jobs, changed, bad = convert_single_ebook(self.gui, self.gui.library_view.model().db, book_ids, True, ofmt)
-        if jobs == []: return
+        if jobs == []:
+            return
         self.queue_convert_jobs(jobs, changed, bad, rows, previous,
                 self.book_auto_converted_multiple_mail,
                 extra_job_args=[delete_from_library, data])
 
     def auto_convert_news(self, book_ids, format):
         previous = self.gui.library_view.currentIndex()
-        rows = [x.row() for x in \
+        rows = [x.row() for x in
                 self.gui.library_view.selectionModel().selectedRows()]
         jobs, changed, bad = convert_single_ebook(self.gui, self.gui.library_view.model().db, book_ids, True, format)
-        if jobs == []: return
+        if jobs == []:
+            return
         self.queue_convert_jobs(jobs, changed, bad, rows, previous,
                 self.book_auto_converted_news)
 
     def auto_convert_catalogs(self, book_ids, format):
         previous = self.gui.library_view.currentIndex()
-        rows = [x.row() for x in \
+        rows = [x.row() for x in
                 self.gui.library_view.selectionModel().selectedRows()]
         jobs, changed, bad = convert_single_ebook(self.gui, self.gui.library_view.model().db, book_ids, True, format)
-        if jobs == []: return
+        if jobs == []:
+            return
         self.queue_convert_jobs(jobs, changed, bad, rows, previous,
                 self.book_auto_converted_catalogs)
 
     def get_books_for_conversion(self):
-        rows = [r.row() for r in \
+        rows = [r.row() for r in
                 self.gui.library_view.selectionModel().selectedRows()]
         if not rows or len(rows) == 0:
             d = error_dialog(self.gui, _('Cannot convert'),
@@ -145,12 +151,13 @@ class ConvertAction(InterfaceAction):
 
     def convert_ebook(self, checked, bulk=None):
         book_ids = self.get_books_for_conversion()
-        if book_ids is None: return
+        if book_ids is None:
+            return
         self.do_convert(book_ids, bulk=bulk)
 
     def do_convert(self, book_ids, bulk=None):
         previous = self.gui.library_view.currentIndex()
-        rows = [x.row() for x in \
+        rows = [x.row() for x in
                 self.gui.library_view.selectionModel().selectedRows()]
         num = 0
         if bulk or (bulk is None and len(book_ids) > 1):
@@ -252,7 +259,7 @@ class ConvertAction(InterfaceAction):
 
             with open(temp_files[-1].name, 'rb') as data:
                 db.add_format(book_id, fmt, data, index_is_id=True)
-            self.gui.status_bar.show_message(job.description + \
+            self.gui.status_bar.show_message(job.description +
                     (' completed'), 2000)
         finally:
             for f in temp_files: