Mention dateutil dependency in scalar doc
@@ -96,6 +96,8 @@ For convenience ``ariadne.contrib.django.scalars`` module is also provided that
schema = make_executable_schema(type_defs, [date_scalar, datetime_scalar, ...])
+Scalars have dependency on `dateutil library <https://github.com/dateutil/dateutil>`_.
+
Flask integration
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