Почему выполнение "hg push" завершится неудачно, как показано ниже?

Мой файл hgrc содержит следующую информацию:

[auth] default.prefix = bitbucket.org default.username = stephen-paul-chappell default.password = ****************************** default.schemes = http https proxy.prefix = wsa-sn.pcci.edu proxy.username = 116042 proxy.password = ******** proxy.schemes = http https [http_proxy] host = wsa-sn.pcci.edu:3128 user = 116042 passwd = ******** [paths] default = https://bitbucket.org/stephen-paul-chappell/praecipuas-tournament [ui] username = Stephen Chappell <noctis.skytower@gmail.com> 

Информация, которая отображается на стандартном выходе, выглядит следующим образом:

C:\Users\Zero\PycharmProjects\praecipuas-tournament>hg push --verbose --debug --traceback pushing to https://bitbucket.org/stephen-paul-chappell/praecipuas-tournament using https://bitbucket.org/stephen-paul-chappell/praecipuas-tournament proxying through http://wsa-sn.pcci.edu:3128 sending capabilities command using auth.default.* for authentication bitbucket.org certificate successfully verified query 1; heads sending batch command using auth.default.* for authentication searching for changes taking quick initial sample searching: 2 queries query 2; still undecided: 3, sample size is: 3 sending known command using auth.default.* for authentication 2 total queries preparing listkeys for "phases" sending listkeys command using auth.default.* for authentication checking for updated bookmarks preparing listkeys for "bookmarks" sending listkeys command using auth.default.* for authentication 4 changesets found list of changesets: 5af610089cb70bdfbd322cd07276c91641edde8f 78421d9083a7888f885e96b556512b5b69e177e8 5c30291d73e0527a763c72a457fc6b23d1810399 742f3c2666be853791f7186d061d35dac5678894 bundling: 1/4 changesets (25.00%) bundling: 2/4 changesets (50.00%) bundling: 3/4 changesets (75.00%) bundling: 4/4 changesets (100.00%) bundling: 1/4 manifests (25.00%) bundling: 2/4 manifests (50.00%) bundling: 3/4 manifests (75.00%) bundling: 4/4 manifests (100.00%) bundling: source/__init__.py 1/19 files (5.26%) bundling: source/controller/__init__.py 2/19 files (10.53%) bundling: source/controller/scheduler.py 3/19 files (15.79%) bundling: source/main.py 4/19 files (21.05%) bundling: source/model/__init__.py 5/19 files (26.32%) bundling: source/model/alliance.py 6/19 files (31.58%) bundling: source/model/asset.py 7/19 files (36.84%) bundling: source/model/building.py 8/19 files (42.11%) bundling: source/model/defense.py 9/19 files (47.37%) bundling: source/model/facility.py 10/19 files (52.63%) bundling: source/model/fleet.py 11/19 files (57.89%) bundling: source/model/galaxy.py 12/19 files (63.16%) bundling: source/model/messages.py 13/19 files (68.42%) bundling: source/model/research.py 14/19 files (73.68%) bundling: source/model/resources.py 15/19 files (78.95%) bundling: source/model/shipyard.py 16/19 files (84.21%) bundling: source/model/sphere.py 17/19 files (89.47%) bundling: source/view/__init__.py 18/19 files (94.74%) bundling: source/view/viewport.py 19/19 files (100.00%) sending unbundle command sending 7540 bytes using auth.default.* for authentication sending: 7/14 kb (50.00%) sending: 7/14 kb (50.00%) using auth.default.* for authentication http auth: user stephen-paul-chappell, password ****************************** using auth.default.* for authentication bitbucket.org certificate successfully verified sending: 14/14 kb (100.00%) sending: 14/14 kb (100.00%)  Traceback (most recent call last): File "mercurial\dispatch.pyo", line 160, in _runcatch File "mercurial\dispatch.pyo", line 885, in _dispatch File "mercurial\dispatch.pyo", line 646, in runcommand File "mercurial\dispatch.pyo", line 976, in _runcommand File "mercurial\dispatch.pyo", line 947, in checkargs File "mercurial\dispatch.pyo", line 882, in <lambda> File "mercurial\util.pyo", line 716, in check File "mercurial\commands.pyo", line 5228, in push File "mercurial\exchange.pyo", line 236, in push File "mercurial\exchange.pyo", line 664, in _pushchangeset File "mercurial\wireproto.pyo", line 391, in unbundle File "mercurial\httppeer.pyo", line 202, in _callpush File "mercurial\httppeer.pyo", line 172, in _call File "mercurial\httppeer.pyo", line 119, in _callstream File "urllib2.pyo", line 437, in open File "urllib2.pyo", line 550, in http_response File "urllib2.pyo", line 469, in error File "urllib2.pyo", line 409, in _call_chain File "urllib2.pyo", line 911, in http_error_401 File "mercurial\url.pyo", line 453, in http_error_auth_reqed File "urllib2.pyo", line 889, in http_error_auth_reqed File "mercurial\url.pyo", line 464, in retry_http_basic_auth File "urllib2.pyo", line 431, in open File "urllib2.pyo", line 449, in _open File "urllib2.pyo", line 409, in _call_chain File "mercurial\url.pyo", line 372, in https_open File "mercurial\keepalive.pyo", line 255, in do_open URLError: <urlopen error ''> abort: error: ''  C:\Users\Zero\PycharmProjects\praecipuas-tournament> 

Я не уверен, что именно идет не так или как решить проблему.