Binary Ninja 3 unsupported

[vadimszzz]

Issue:
ImportError: cannot import name 'Structure' from 'binaryninja'

Full traceback:

Traceback (most recent call last):
  File "/Users/dflbv/Library/Application Support/Binary Ninja/plugins/ObjCGraphView/__init__.py", line 7, in <module>
    from .classes import define_classes_plugin
  File "/Users/dflbv/Library/Application Support/Binary Ninja/plugins/ObjCGraphView/classes.py", line 1, in <module>
    from binaryninja import (BinaryView, Endianness, Structure, StructureType,
ImportError: cannot import name 'Structure' from 'binaryninja' (/Applications/Binary Ninja.app/Contents/MacOS/plugins/../../Resources/python/binaryninja/__init__.py)
Python plugin 'ObjCGraphView' could not be loaded