in python-xbrl v1.1.0, marshmallow version 3.0.0.b7, error: has not object "Serializer"

[pinnaclesystemsgroup]

get_xbrl_data.py:Line #3 > from xbrl import XBRLParser, GAAP, GAAPSerializer

xbrl/init.py: Line #8 > from .xbrl import XBRLParser, GAAP, GAAPSerializer, XBRLParserException

Runtime ERROR:

/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7 /Users/.../PyCharmprojects/xbrlpy/get_xbrl_data.py
Traceback (most recent call last):
File "/Users/.../PyCharmprojects/xbrlpy/get_xbrl_data.py", line 3, in
from xbrl import XBRLParser, GAAP, GAAPSerializer
File "/usr/local/lib/python2.7/site-packages/xbrl/init.py", line 8, in
from .xbrl import XBRLParser, GAAP, GAAPSerializer, XBRLParserException
File "/usr/local/lib/python2.7/site-packages/xbrl/xbrl.py", line 5, in
from marshmallow import Serializer, fields
ImportError: cannot import name Serializer

[greedo]

This maybe fixed now with the upgrade. I'll investigate thanks @pinnaclesystemsgroup