Add support for Python 3.8

Supporting Python 3.8 not only required configuring Tox and Travis to
run the tests on that version, but also required updating the
dependencies. Without that update, `pluggy` wouldn't work properly.

1 files changed, 574 insertions, 162 deletions

diff --git a/poetry.lock b/poetry.lock
index da7eac2..173c007 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -8,11 +8,20 @@ version = "0.7.12"
 
 [[package]]
 category = "dev"
+description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+name = "appdirs"
+optional = false
+python-versions = "*"
+version = "1.4.4"
+
+[[package]]
+category = "dev"
 description = "Atomic file writes."
+marker = "sys_platform == \"win32\""
 name = "atomicwrites"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.3.0"
+version = "1.4.0"
 
 [[package]]
 category = "dev"
@@ -20,7 +29,13 @@ description = "Classes Without Boilerplate"
 name = "attrs"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.1.0"
+version = "19.3.0"
+
+[package.extras]
+azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
+dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
+docs = ["sphinx", "zope.interface"]
+tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
 
 [[package]]
 category = "dev"
@@ -28,7 +43,7 @@ description = "Internationalization utilities"
 name = "babel"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.7.0"
+version = "2.8.0"
 
 [package.dependencies]
 pytz = ">=2015.7"
@@ -39,7 +54,7 @@ description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
 optional = false
 python-versions = "*"
-version = "2019.6.16"
+version = "2020.4.5.2"
 
 [[package]]
 category = "dev"
@@ -52,19 +67,22 @@ version = "3.0.4"
 [[package]]
 category = "dev"
 description = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
+marker = "sys_platform == \"win32\" or platform_system == \"Windows\""
 name = "colorama"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.4.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.4.3"
 
 [[package]]
 category = "dev"
 description = "Code coverage measurement for Python"
 name = "coverage"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, <4"
-version = "4.5.4"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
+version = "5.1"
+
+[package.extras]
+toml = ["toml"]
 
 [[package]]
 category = "dev"
@@ -72,13 +90,24 @@ description = "Show coverage stats online via coveralls.io"
 name = "coveralls"
 optional = false
 python-versions = "*"
-version = "1.8.2"
+version = "1.11.1"
 
 [package.dependencies]
-coverage = ">=3.6,<5.0"
+coverage = ">=3.6,<6.0"
 docopt = ">=0.6.1"
 requests = ">=1.0.0"
 
+[package.extras]
+yaml = ["PyYAML (>=3.10,<5.3)"]
+
+[[package]]
+category = "dev"
+description = "Distribution utilities"
+name = "distlib"
+optional = false
+python-versions = "*"
+version = "0.3.0"
+
 [[package]]
 category = "dev"
 description = "Pythonic argument parser, that will make you smile"
@@ -92,16 +121,8 @@ category = "dev"
 description = "Docutils -- Python Documentation Utilities"
 name = "docutils"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "0.15.2"
-
-[[package]]
-category = "dev"
-description = "Discover and load entry points from installed packages."
-name = "entrypoints"
-optional = false
-python-versions = ">=2.7"
-version = "0.3"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.16"
 
 [[package]]
 category = "dev"
@@ -113,17 +134,20 @@ version = "3.0.12"
 
 [[package]]
 category = "dev"
-description = "the modular source code checker: pep8, pyflakes and co"
+description = "the modular source code checker: pep8 pyflakes and co"
 name = "flake8"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "3.7.8"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "3.8.3"
 
 [package.dependencies]
-entrypoints = ">=0.3.0,<0.4.0"
 mccabe = ">=0.6.0,<0.7.0"
-pycodestyle = ">=2.5.0,<2.6.0"
-pyflakes = ">=2.1.0,<2.2.0"
+pycodestyle = ">=2.6.0a1,<2.7.0"
+pyflakes = ">=2.2.0,<2.3.0"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = "*"
 
 [[package]]
 category = "dev"
@@ -131,7 +155,7 @@ description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8"
+version = "2.9"
 
 [[package]]
 category = "dev"
@@ -139,30 +163,59 @@ description = "Getting image size from png/jpeg/jpeg2000/gif file"
 name = "imagesize"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.1.0"
+version = "1.2.0"
 
 [[package]]
 category = "dev"
 description = "Read metadata from Python packages"
+marker = "python_version < \"3.8\""
 name = "importlib-metadata"
 optional = false
-python-versions = ">=2.7,!=3.0,!=3.1,!=3.2,!=3.3"
-version = "0.19"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+version = "1.6.1"
 
 [package.dependencies]
 zipp = ">=0.5"
 
+[package.extras]
+docs = ["sphinx", "rst.linker"]
+testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
+
+[[package]]
+category = "dev"
+description = "Read resources from Python packages"
+marker = "python_version < \"3.7\""
+name = "importlib-resources"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+version = "1.5.0"
+
+[package.dependencies]
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = "*"
+
+[package.dependencies.zipp]
+python = "<3.8"
+version = ">=0.4"
+
+[package.extras]
+docs = ["sphinx", "rst.linker", "jaraco.packaging"]
+
 [[package]]
 category = "dev"
-description = "A small but fast and easy to use stand-alone template engine written in pure python."
+description = "A very fast and expressive template engine."
 name = "jinja2"
 optional = false
-python-versions = "*"
-version = "2.10.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "2.11.2"
 
 [package.dependencies]
 MarkupSafe = ">=0.23"
 
+[package.extras]
+i18n = ["Babel (>=0.8)"]
+
 [[package]]
 category = "dev"
 description = "Safely add untrusted strings to HTML/XML markup."
@@ -184,8 +237,8 @@ category = "dev"
 description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
 optional = false
-python-versions = ">=3.4"
-version = "7.2.0"
+python-versions = ">=3.5"
+version = "8.3.0"
 
 [[package]]
 category = "dev"
@@ -200,13 +253,16 @@ mypy-extensions = ">=0.4.0,<0.5.0"
 typed-ast = ">=1.4.0,<1.5.0"
 typing-extensions = ">=3.7.4"
 
+[package.extras]
+dmypy = ["psutil (>=4.0)"]
+
 [[package]]
 category = "dev"
 description = "Experimental type system extensions for programs checked with the mypy typechecker."
 name = "mypy-extensions"
 optional = false
 python-versions = "*"
-version = "0.4.1"
+version = "0.4.3"
 
 [[package]]
 category = "dev"
@@ -214,10 +270,9 @@ description = "Core utilities for Python packages"
 name = "packaging"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.1"
+version = "20.4"
 
 [package.dependencies]
-attrs = "*"
 pyparsing = ">=2.0.2"
 six = "*"
 
@@ -228,7 +283,7 @@ marker = "python_version >= \"3.5\" and python_version < \"3.6\" or python_versi
 name = "pathlib2"
 optional = false
 python-versions = "*"
-version = "2.3.4"
+version = "2.3.5"
 
 [package.dependencies]
 six = "*"
@@ -239,10 +294,15 @@ description = "plugin and hook calling mechanisms for python"
 name = "pluggy"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.12.0"
+version = "0.13.1"
 
 [package.dependencies]
-importlib-metadata = ">=0.12"
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12"
+
+[package.extras]
+dev = ["pre-commit", "tox"]
 
 [[package]]
 category = "dev"
@@ -250,7 +310,7 @@ description = "library with cross-python path, ini-parsing, io, code, log facili
 name = "py"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.8.0"
+version = "1.8.1"
 
 [[package]]
 category = "main"
@@ -258,7 +318,7 @@ description = "ASN.1 types and codecs"
 name = "pyasn1"
 optional = false
 python-versions = "*"
-version = "0.4.6"
+version = "0.4.8"
 
 [[package]]
 category = "dev"
@@ -266,7 +326,7 @@ description = "Python style guide checker"
 name = "pycodestyle"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.5.0"
+version = "2.6.0"
 
 [[package]]
 category = "dev"
@@ -274,15 +334,15 @@ description = "passive checker of Python programs"
 name = "pyflakes"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.1.1"
+version = "2.2.0"
 
 [[package]]
 category = "dev"
 description = "Pygments is a syntax highlighting package written in Python."
 name = "pygments"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.4.2"
+python-versions = ">=3.5"
+version = "2.6.1"
 
 [[package]]
 category = "dev"
@@ -290,7 +350,7 @@ description = "Python parsing module"
 name = "pyparsing"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.2"
+version = "2.4.7"
 
 [[package]]
 category = "main"
@@ -307,42 +367,52 @@ description = "pytest: simple powerful testing with Python"
 name = "pytest"
 optional = false
 python-versions = ">=3.5"
-version = "5.0.1"
+version = "5.4.3"
 
 [package.dependencies]
 atomicwrites = ">=1.0"
 attrs = ">=17.4.0"
 colorama = "*"
-importlib-metadata = ">=0.12"
 more-itertools = ">=4.0.0"
 packaging = "*"
 pluggy = ">=0.12,<1.0"
 py = ">=1.5.0"
 wcwidth = "*"
 
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12"
+
 [package.dependencies.pathlib2]
 python = "<3.6"
 version = ">=2.2.0"
 
+[package.extras]
+checkqa-mypy = ["mypy (v0.761)"]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
+
 [[package]]
 category = "dev"
 description = "Pytest plugin for measuring coverage."
 name = "pytest-cov"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.7.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "2.9.0"
 
 [package.dependencies]
 coverage = ">=4.4"
 pytest = ">=3.6"
 
+[package.extras]
+testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "pytest-xdist", "virtualenv"]
+
 [[package]]
 category = "dev"
 description = "World timezone definitions, modern and historical"
 name = "pytz"
 optional = false
 python-versions = "*"
-version = "2019.2"
+version = "2020.1"
 
 [[package]]
 category = "dev"
@@ -350,29 +420,33 @@ description = "Python HTTP for Humans."
 name = "requests"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.22.0"
+version = "2.23.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
-chardet = ">=3.0.2,<3.1.0"
-idna = ">=2.5,<2.9"
+chardet = ">=3.0.2,<4"
+idna = ">=2.5,<3"
 urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
 
+[package.extras]
+security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
+socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
+
 [[package]]
 category = "dev"
 description = "Python 2 and 3 compatibility utilities"
 name = "six"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*"
-version = "1.12.0"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
+version = "1.15.0"
 
 [[package]]
 category = "dev"
-description = "This package provides 23 stemmers for 22 languages generated from Snowball algorithms."
+description = "This package provides 26 stemmers for 25 languages generated from Snowball algorithms."
 name = "snowballstemmer"
 optional = false
 python-versions = "*"
-version = "1.9.0"
+version = "2.0.0"
 
 [[package]]
 category = "dev"
@@ -380,7 +454,7 @@ description = "Python documentation generator"
 name = "sphinx"
 optional = false
 python-versions = ">=3.5"
-version = "2.1.2"
+version = "2.4.4"
 
 [package.dependencies]
 Jinja2 = ">=2.3"
@@ -401,29 +475,45 @@ sphinxcontrib-jsmath = "*"
 sphinxcontrib-qthelp = "*"
 sphinxcontrib-serializinghtml = "*"
 
+[package.extras]
+docs = ["sphinxcontrib-websupport"]
+test = ["pytest (<5.3.3)", "pytest-cov", "html5lib", "flake8 (>=3.5.0)", "flake8-import-order", "mypy (>=0.761)", "docutils-stubs"]
+
 [[package]]
 category = "dev"
-description = ""
+description = "sphinxcontrib-applehelp is a sphinx extension which outputs Apple help books"
 name = "sphinxcontrib-applehelp"
 optional = false
-python-versions = "*"
-version = "1.0.1"
+python-versions = ">=3.5"
+version = "1.0.2"
+
+[package.extras]
+lint = ["flake8", "mypy", "docutils-stubs"]
+test = ["pytest"]
 
 [[package]]
 category = "dev"
-description = ""
+description = "sphinxcontrib-devhelp is a sphinx extension which outputs Devhelp document."
 name = "sphinxcontrib-devhelp"
 optional = false
-python-versions = "*"
-version = "1.0.1"
+python-versions = ">=3.5"
+version = "1.0.2"
+
+[package.extras]
+lint = ["flake8", "mypy", "docutils-stubs"]
+test = ["pytest"]
 
 [[package]]
 category = "dev"
-description = ""
+description = "sphinxcontrib-htmlhelp is a sphinx extension which renders HTML help files"
 name = "sphinxcontrib-htmlhelp"
 optional = false
-python-versions = "*"
-version = "1.0.2"
+python-versions = ">=3.5"
+version = "1.0.3"
+
+[package.extras]
+lint = ["flake8", "mypy", "docutils-stubs"]
+test = ["pytest", "html5lib"]
 
 [[package]]
 category = "dev"
@@ -433,21 +523,32 @@ optional = false
 python-versions = ">=3.5"
 version = "1.0.1"
 
+[package.extras]
+test = ["pytest", "flake8", "mypy"]
+
 [[package]]
 category = "dev"
-description = ""
+description = "sphinxcontrib-qthelp is a sphinx extension which outputs QtHelp document."
 name = "sphinxcontrib-qthelp"
 optional = false
-python-versions = "*"
-version = "1.0.2"
+python-versions = ">=3.5"
+version = "1.0.3"
+
+[package.extras]
+lint = ["flake8", "mypy", "docutils-stubs"]
+test = ["pytest"]
 
 [[package]]
 category = "dev"
-description = ""
+description = "sphinxcontrib-serializinghtml is a sphinx extension which outputs \"serialized\" HTML files (json and pickle)."
 name = "sphinxcontrib-serializinghtml"
 optional = false
-python-versions = "*"
-version = "1.1.3"
+python-versions = ">=3.5"
+version = "1.1.4"
+
+[package.extras]
+lint = ["flake8", "mypy", "docutils-stubs"]
+test = ["pytest"]
 
 [[package]]
 category = "dev"
@@ -455,25 +556,33 @@ description = "Python Library for Tom's Obvious, Minimal Language"
 name = "toml"
 optional = false
 python-versions = "*"
-version = "0.10.0"
+version = "0.10.1"
 
 [[package]]
 category = "dev"
 description = "tox is a generic virtualenv management and test command line tool"
 name = "tox"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "3.13.2"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+version = "3.15.2"
 
 [package.dependencies]
-filelock = ">=3.0.0,<4"
-importlib-metadata = ">=0.12,<1"
+colorama = ">=0.4.1"
+filelock = ">=3.0.0"
 packaging = ">=14"
-pluggy = ">=0.12.0,<1"
-py = ">=1.4.17,<2"
-six = ">=1.0.0,<2"
+pluggy = ">=0.12.0"
+py = ">=1.4.17"
+six = ">=1.14.0"
 toml = ">=0.9.4"
-virtualenv = ">=14.0.0"
+virtualenv = ">=16.0.0,<20.0.0 || >20.0.0,<20.0.1 || >20.0.1,<20.0.2 || >20.0.2,<20.0.3 || >20.0.3,<20.0.4 || >20.0.4,<20.0.5 || >20.0.5,<20.0.6 || >20.0.6,<20.0.7 || >20.0.7"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12,<2"
+
+[package.extras]
+docs = ["sphinx (>=2.0.0)", "towncrier (>=18.5.0)", "pygments-github-lexers (>=0.0.5)", "sphinxcontrib-autoprogram (>=0.1.5)"]
+testing = ["freezegun (>=0.3.11)", "pathlib2 (>=2.3.3)", "pytest (>=4.0.0)", "pytest-cov (>=2.5.1)", "pytest-mock (>=1.10.0)", "pytest-xdist (>=1.22.2)", "pytest-randomly (>=1.0.0)", "flaky (>=3.4.0)", "psutil (>=5.6.1)"]
 
 [[package]]
 category = "dev"
@@ -481,15 +590,7 @@ description = "a fork of Python 2 and 3 ast modules with type comment support"
 name = "typed-ast"
 optional = false
 python-versions = "*"
-version = "1.4.0"
-
-[[package]]
-category = "dev"
-description = "Type Hints for Python"
-name = "typing"
-optional = false
-python-versions = "*"
-version = "3.7.4"
+version = "1.4.1"
 
 [[package]]
 category = "dev"
@@ -497,100 +598,411 @@ description = "Backported and Experimental Type Hints for Python 3.5+"
 name = "typing-extensions"
 optional = false
 python-versions = "*"
-version = "3.7.4"
-
-[package.dependencies]
-typing = ">=3.7.4"
+version = "3.7.4.2"
 
 [[package]]
 category = "dev"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 name = "urllib3"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <4"
-version = "1.25.3"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
+version = "1.25.9"
+
+[package.extras]
+brotli = ["brotlipy (>=0.6.0)"]
+secure = ["certifi", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "pyOpenSSL (>=0.14)", "ipaddress"]
+socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
 
 [[package]]
 category = "dev"
 description = "Virtual Python Environment builder"
 name = "virtualenv"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "16.7.2"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "20.0.21"
+
+[package.dependencies]
+appdirs = ">=1.4.3,<2"
+distlib = ">=0.3.0,<1"
+filelock = ">=3.0.0,<4"
+six = ">=1.9.0,<2"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12,<2"
+
+[package.dependencies.importlib-resources]
+python = "<3.7"
+version = ">=1.0,<2"
+
+[package.extras]
+docs = ["sphinx (>=3)", "sphinx-argparse (>=0.2.5)", "sphinx-rtd-theme (>=0.4.3)", "towncrier (>=19.9.0rc1)", "proselint (>=0.10.2)"]
+testing = ["pytest (>=4)", "coverage (>=5)", "coverage-enable-subprocess (>=1)", "pytest-xdist (>=1.31.0)", "pytest-mock (>=2)", "pytest-env (>=0.6.2)", "pytest-randomly (>=1)", "pytest-timeout", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
 
 [[package]]
 category = "dev"
-description = "Measures number of Terminal column cells of wide-character codes"
+description = "Measures the displayed width of unicode strings in a terminal"
 name = "wcwidth"
 optional = false
 python-versions = "*"
-version = "0.1.7"
+version = "0.2.4"
 
 [[package]]
 category = "dev"
 description = "Backport of pathlib-compatible object wrapper for zip files"
+marker = "python_version < \"3.8\""
 name = "zipp"
 optional = false
 python-versions = ">=2.7"
-version = "0.5.2"
+version = "1.2.0"
+
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
 [metadata]
 content-hash = "d9a51bfd7b1f873f2cc17e37a64cf0e03eefcc3410f741dff2a45a01bb4a2b3b"
 python-versions = "^3.5"
 
-[metadata.hashes]
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