diff --git a/src/calibre/gui2/dialogs/template_dialog.py b/src/calibre/gui2/dialogs/template_dialog.py
index e95843e3cc..38af32245c 100644
--- a/src/calibre/gui2/dialogs/template_dialog.py
+++ b/src/calibre/gui2/dialogs/template_dialog.py
@@ -235,6 +235,7 @@ translate_table = str.maketrans({
     '\\': '\\\\',
 })
 
+
 class TemplateDialog(QDialog, Ui_TemplateDialog):
 
     def __init__(self, parent, text, mi=None, fm=None, color_field=None,
diff --git a/src/calibre/utils/formatter.py b/src/calibre/utils/formatter.py
index 5389e4be1f..1b8674c337 100644
--- a/src/calibre/utils/formatter.py
+++ b/src/calibre/utils/formatter.py
@@ -1075,6 +1075,7 @@ class _Interpreter(object):
         'tab':       '\t',
         'backslash': '\\',
     }
+
     def do_node_character(self, prog):
         try:
             key = self.expr(prog.expression)