System
Platform: darwin
OS:       posix
Python:   /Users/xxx/.pyenv/versions/3.7.4

Poetry
Version: 1.0.3
Python:  3.7.4

[tool.poetry]
name = "xxx"
version = "0.1.0"
description = ""
authors = ["XXX"]

[tool.poetry.dependencies]
python = "^3.7"
kfp = "^0.2.5"

[tool.poetry.dev-dependencies]
pytest = "^3.0"
pylama = "^7.7.1"
isort = "^4.3.21"
black = "19.3b0"

[tool.black]
line-length = 120
target-version = ['py37']
exclude = '''
(
  /(
      \.eggs         # exclude a few common directories in the
    | \.git          # root of the project
    | \.hg
    | \.mypy_cache
    | \.tox
    | \.venv
    | _build
    | buck-out
    | build
    | dist
    | venv
    | docs
  )/
)
'''

[tool.isort]
known_third_party = "pytest,kfp"
line_length = 120
lines_between_sections = 1
multi_line_output = 3
include_trailing_comma = true
skip="__pycache__"


[build-system]
requires = ["poetry>=0.12"]
build-backend = "poetry.masonry.api"

poetry publish --build -r internal -u ${ARTIFACTORY_USER} -p ${ARTIFACTORY_PASS} -vvv

Using virtualenv: /Users/xx/yy/venv
Building xxx (0.1.0)
 - Building sdist
 - Adding: 
...
 - Built xxx-0.1.0.tar.gz

 - Building wheel
 - Adding:
....
 - Built xxx-0.1.0-py3-none-any.whl

Publishing xxx(0.1.0) to internal
 - Uploading xxx-0.1.0.tar.gz 100%

[UploadError]
HTTP Error 500: Internal Server Error

Traceback (most recent call last):
  File "/Users/yy/tools/poetry/1.0/lib/poetry/_vendor/py3.7/clikit/console_application.py", line 131, in run
    status_code = command.handle(parsed_args, io)
  File "/Users/yy/tools/poetry/1.0/lib/poetry/_vendor/py3.7/clikit/api/command/command.py", line 120, in handle
    status_code = self._do_handle(args, io)
  File "/Users/yy/tools/poetry/1.0/lib/poetry/_vendor/py3.7/clikit/api/command/command.py", line 171, in _do_handle
    return getattr(handler, handler_method)(args, io, self)
  File "/Users/yy/tools/poetry/1.0/lib/poetry/_vendor/py3.7/cleo/commands/command.py", line 92, in wrap_handle
    return self.handle()
  File "/Users/yy/tools/poetry/1.0/lib/poetry/console/commands/publish.py", line 81, in handle
    client_cert,
  File "/Users/yy/tools/poetry/1.0/lib/poetry/masonry/publishing/publisher.py", line 96, in publish
    client_cert=resolved_client_cert,
  File "/Users/yy/tools/poetry/1.0/lib/poetry/masonry/publishing/uploader.py", line 110, in upload
    self._upload(session, url)
  File "/Users/yy/tools/poetry/1.0/lib/poetry/masonry/publishing/uploader.py", line 205, in _upload
    raise UploadError(e)