Remove excessive indentation.

Author: TkTech

flask_babel/__init__.py

@@ -165,9 +165,7 @@ def init_app(self, app, default_locale='en', default_domain='messages',
                 newstyle=True,
                 pgettext=lambda c, s: get_translations().upgettext(c, s),
                 npgettext=lambda c, s, p, n: get_translations().unpgettext(
-                    c,
-                    s, p,
-                    n
+                    c, s, p, n
                 ),
             )