mitmproxy-2.7 is not working, due to netlib version mismatch

[th-macports@…]

After doing a port upgrade, mitmproxy-2.7 now complains:

$ mitmproxy-2.7 Traceback (most recent call last):

File "/opt/local/bin/mitmproxy-2.7", line 5, in <module>

from pkg_resources import load_entry_point

File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pkg_resources/init.py", line 3138, in <module>

@_call_aside

File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pkg_resources/init.py", line 3124, in _call_aside

f(*args, kwargs)

File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pkg_resources/init.py", line 3151, in _initialize_master_working_set

working_set = WorkingSet._build_master()

File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pkg_resources/init.py", line 663, in _build_master

return cls._build_from_requirements(requires)

File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pkg_resources/init.py", line 676, in _build_from_requirements

dists = ws.resolve(reqs, Environment())

File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pkg_resources/init.py", line 849, in resolve

raise DistributionNotFound(req, requirers)

pkg_resources.DistributionNotFound: The 'netlib<0.14,>=0.13' distribution was not found and is required by mitmproxy

$ sudo port installed|grep mitm

py-mitmproxy @0.13_0 (active) py27-mitmproxy @0.13_0 (active)

$ sudo port installed|grep netlib

py-netlib @0.13.1_0 py-netlib @0.16_0 (active) py27-netlib @0.13.1_0 py27-netlib @0.16_0 (active)