added fromstring to cupy.__init__
@@ -242,6 +242,7 @@ from cupy._creation.from_data import ascontiguousarray # NOQA
from cupy._creation.from_data import fromfile # NOQA
from cupy._creation.from_data import fromfunction # NOQA
from cupy._creation.from_data import fromiter # NOQA
+from cupy._creation.from_data import fromstring # NOQA
from cupy._creation.ranges import arange # NOQA
from cupy._creation.ranges import linspace # NOQA
