ValueError

expected only letters, got ''

Traceback (most recent call last):

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/sanic/app.py, line 503, in handle_request

response = await response

File /usr/lib/python3.6/asyncio/coroutines.py, line 110, in __next__

return self.gen.send(None)

File main.py, line 173, in faq

return app.jinja.render ( 'virtual-tour.html', request )

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/sanic_jinja2/__init__.py, line 84, in render

return html(self.render_string(template, request, **context))

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/sanic_jinja2/__init__.py, line 80, in render_string

self.update_request_context(request, context)

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/sanic_jinja2/__init__.py, line 53, in update_request_context

g = _make_new_gettext(babel._get_translations(request).ugettext)

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/sanic_babel/__init__.py, line 287, in get_translations

locale = get_locale(request)

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/sanic_babel/__init__.py, line 322, in get_locale

locale = babel.default_locale

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/sanic_babel/__init__.py, line 253, in default_locale

return Locale.parse(self.app.config['BABEL_DEFAULT_LOCALE'])

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/babel/core.py, line 268, in parse

parts = parse_locale(identifier, sep=sep)

File /home/realabruzzo/realabruzzo/env/lib/python3.6/site-packages/babel/core.py, line 1094, in parse_locale

raise ValueError('expected only letters, got %r' % lang)

ValueError: expected only letters, got '' while handling path /virtual-tour