ImportError:没有名为"fabric.contrib"的模块

Fabric 2.0.1运行我的调用fabfile.py的项目时出错.我在Python 3.5.1.有人知道为什么会这样吗?

Fabric 2.0.1 Errors out when running my project that calls out fabfile.py. Im on Python 3.5.1. Does anyone know why is this happening?

Traceback (most recent call last):
  File ".bootstrap/_pex/pex.py", line 367, in execute
  File ".bootstrap/_pex/pex.py", line 293, in _wrap_coverage
  File ".bootstrap/_pex/pex.py", line 325, in _wrap_profiling
  File ".bootstrap/_pex/pex.py", line 410, in _execute
  File ".bootstrap/_pex/pex.py", line 468, in execute_entry
  File ".bootstrap/_pex/pex.py", line 486, in execute_pkg_resources
  File "/root/.pex/install/invoke-1.0.0-py3-none-any.whl.a7f464a6969cebbbd25df555b795379694067bba/invoke-1.0.0-py3-none-any.whl/invoke/program.py", line 321, in run
    self.parse_collection()
  File "/root/.pex/install/invoke-1.0.0-py3-none-any.whl.a7f464a6969cebbbd25df555b795379694067bba/invoke-1.0.0-py3-none-any.whl/invoke/program.py", line 399, in parse_collection
    self.load_collection()
  File "/root/.pex/install/fabric-2.0.1-py2.py3-none-any.whl.ae5e123ea5423bf8dce5f39ab3d9b0b8eb7b8e39/fabric-2.0.1-py2.py3-none-any.whl/fabric/main.py", line 74, in load_collection
    super(Fab, self).load_collection()
  File "/root/.pex/install/invoke-1.0.0-py3-none-any.whl.a7f464a6969cebbbd25df555b795379694067bba/invoke-1.0.0-py3-none-any.whl/invoke/program.py", line 588, in load_collection
    module, parent = loader.load(coll_name)
  File "/root/.pex/install/invoke-1.0.0-py3-none-any.whl.a7f464a6969cebbbd25df555b795379694067bba/invoke-1.0.0-py3-none-any.whl/invoke/loader.py", line 75, in load
    module = imp.load_module(name, fd, path, desc)
  File "/usr/local/lib/python3.5/imp.py", line 234, in load_module
    return load_source(name, filename, file)
  File "/usr/local/lib/python3.5/imp.py", line 172, in load_source
    module = _load(spec)
  File "<frozen importlib._bootstrap>", line 693, in _load
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 662, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "/etc/appliance/fabric/fabfile.py", line 1, in <module>
    from fabric.contrib import *
ImportError: No module named 'fabric.contrib'