IDA Pro 破解后显示报错

/Applications/IDA Professional 9.0.app/Contents/MacOS/plugins/ida_feeds/ida_feeds.py: name 'IdaPluginForm' is not defined
Traceback (most recent call last):
File "/Applications/IDA Professional 9.0.app/Contents/MacOS/python/ida_idaapi.py", line 574, in IDAPython_ExecScript
exec(code, g)
~~~~^^^^^^^^^
File "/Applications/IDA Professional 9.0.app/Contents/MacOS/plugins/ida_feeds/ida_feeds.py", line 45, in
class IdaMainWindow(IdaPluginForm):
^^^^^^^^^^^^^
NameError: name 'IdaPluginForm' is not defined