resolve version conflicts

2019-07-11 21:00:18 -04:00 · 2019-07-11 21:00:18 -04:00 · f7b8d64b98
commit f7b8d64b98
--- a/.travis.yml
+++ b/.travis.yml
@ -5,6 +5,8 @@ cache:
  directories:
  - "$HOME/.cache/pypoetry"
 python:
+  - "2.7"
+  - "3.4"
  - "3.5"
  - "3.6"
  - "3.7"
--- a/poetry.lock
+++ b/poetry.lock
@ -105,12 +105,30 @@ version = "7.0"
 [[package]]
 category = "dev"
 description = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
+marker = "python_version >= \"3.7\" and python_version < \"4.0\" and sys_platform == \"win32\" or sys_platform == \"win32\""
 name = "colorama"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 version = "0.4.1"

+[[package]]
+category = "dev"
+description = "Updated configparser from Python 3.7 for Python 2.6+."
+marker = "python_version < \"3\""
+name = "configparser"
+optional = false
+python-versions = ">=2.6"
+version = "3.7.4"
+
+[[package]]
+category = "dev"
+description = "Backports and enhancements for the contextlib module"
+marker = "python_version < \"3\""
+name = "contextlib2"
+optional = false
+python-versions = "*"
+version = "0.5.5"
+
 [[package]]
 category = "dev"
 description = "Code coverage measurement for Python"
@ -127,6 +145,15 @@ optional = false
 python-versions = "*"
 version = "0.14"

+[[package]]
+category = "dev"
+description = "Python function signatures from PEP362 for Python 2.6, 2.7 and 3.2+"
+marker = "python_version < \"3.0\""
+name = "funcsigs"
+optional = false
+python-versions = "*"
+version = "1.0.2"
+
 [[package]]
 category = "dev"
 description = "Internationalized Domain Names in Applications (IDNA)"
@ -154,6 +181,14 @@ version = "0.18"
 [package.dependencies]
 zipp = ">=0.5"

+[package.dependencies.configparser]
+python = "<3"
+version = ">=3.5"
+
+[package.dependencies.contextlib2]
+python = "<3"
+version = "*"
+
 [[package]]
 category = "dev"
 description = "A small but fast and easy to use stand-alone template engine written in pure python."
@ -188,10 +223,14 @@ version = "1.1.1"
 [[package]]
 category = "dev"
 description = "More routines for operating on iterables, beyond itertools"
+marker = "python_version <= \"2.7\" or python_version > \"2.7\""
 name = "more-itertools"
 optional = false
-python-versions = ">=3.4"
-version = "7.1.0"
+python-versions = "*"
+version = "5.0.0"
+
+[package.dependencies]
+six = ">=1.0.0,<2.0.0"

 [[package]]
 category = "dev"
@ -217,6 +256,10 @@ version = "2.3.4"
 [package.dependencies]
 six = "*"

+[package.dependencies.scandir]
+python = "<3.5"
+version = "*"
+
 [[package]]
 category = "dev"
 description = "File system general utilities"
@ -281,20 +324,32 @@ category = "dev"
 description = "pytest: simple powerful testing with Python"
 name = "pytest"
 optional = false
-python-versions = ">=3.5"
-version = "5.0.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "4.6.4"

 [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"
+six = ">=1.10.0"
 wcwidth = "*"

+[[package.dependencies.more-itertools]]
+python = "<=2.7"
+version = ">=4.0.0,<6.0.0"
+
+[[package.dependencies.more-itertools]]
+python = ">2.7"
+version = ">=4.0.0"
+
+[package.dependencies.funcsigs]
+python = "<3.0"
+version = ">=1.0"
+
 [package.dependencies.pathlib2]
 python = "<3.6"
 version = ">=2.2.0"
@ -341,6 +396,20 @@ bleach = ">=2.1.0"
 docutils = ">=0.13.1"
 six = "*"

+[[package]]
+category = "dev"
+description = "Python HTTP for Humans."
+name = "requests"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "2.21.0"
+
+[package.dependencies]
+certifi = ">=2017.4.17"
+chardet = ">=3.0.2,<3.1.0"
+idna = ">=2.5,<2.9"
+urllib3 = ">=1.21.1,<1.25"
+
 [[package]]
 category = "dev"
 description = "Python HTTP for Humans."
@ -366,6 +435,15 @@ version = "0.9.1"
 [package.dependencies]
 requests = ">=2.0.1,<3.0.0"

+[[package]]
+category = "dev"
+description = "scandir, a better directory iterator and faster os.walk()"
+marker = "python_version < \"3.5\""
+name = "scandir"
+optional = false
+python-versions = "*"
+version = "1.10.0"
+
 [[package]]
 category = "dev"
 description = "Python 2 and 3 compatibility utilities"
@ -382,6 +460,33 @@ optional = false
 python-versions = "*"
 version = "1.9.0"

+[[package]]
+category = "dev"
+description = "Python documentation generator"
+name = "sphinx"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.8.5"
+
+[package.dependencies]
+Jinja2 = ">=2.3"
+Pygments = ">=2.0"
+alabaster = ">=0.7,<0.8"
+babel = ">=1.3,<2.0 || >2.0"
+colorama = ">=0.3.5"
+docutils = ">=0.11"
+imagesize = "*"
+packaging = "*"
+requests = ">=2.0.0"
+setuptools = "*"
+six = ">=1.5"
+snowballstemmer = ">=1.1"
+sphinxcontrib-websupport = "*"
+
+[package.dependencies.typing]
+python = "<3.5"
+version = "*"
+
 [[package]]
 category = "dev"
 description = "Python documentation generator"
@ -485,6 +590,14 @@ optional = false
 python-versions = "*"
 version = "1.1.3"

+[[package]]
+category = "dev"
+description = "Sphinx API for Web Apps"
+name = "sphinxcontrib-websupport"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.1.2"
+
 [[package]]
 category = "dev"
 description = "Python Library for Tom's Obvious, Minimal Language"
@ -499,8 +612,8 @@ category = "dev"
 description = "Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed."
 name = "tornado"
 optional = false
-python-versions = ">= 3.5"
-version = "6.0.3"
+python-versions = ">= 2.7, !=3.0.*, !=3.1.*, !=3.2.*, != 3.3.*"
+version = "5.1.1"

 [[package]]
 category = "dev"
@ -526,6 +639,23 @@ requests-toolbelt = ">=0.8.0,<0.9.0 || >0.9.0"
 setuptools = ">=0.7.0"
 tqdm = ">=4.14"

+[[package]]
+category = "dev"
+description = "Type Hints for Python"
+marker = "python_version < \"3.5\""
+name = "typing"
+optional = false
+python-versions = "*"
+version = "3.7.4"
+
+[[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 = "1.24.3"
+
 [[package]]
 category = "dev"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
@ -572,8 +702,8 @@ python-versions = ">=2.7"
 version = "0.5.2"

 [metadata]
-content-hash = "bb7075f203c80b645661043686aca534dad8a39d76e9bf1c92cf0bc1c39b9498"
-python-versions = "^3.5"
+content-hash = "e878e22acd88288deea2b128416a7e0ebfcbf8df8744f2bc3f61a98ca7e07ffe"
+python-versions = "~2.7 || ^3.4"

 [metadata.hashes]
 alabaster = ["446438bdcca0e05bd45ea2de1668c1d9b032e1a9154c2c259092d77031ddd359", "a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02"]
@ -588,15 +718,18 @@ certifi = ["046832c04d4e752f37383b628bc601a7ea7211496b4638f6514d0e5b9acc4939", "
 chardet = ["84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae", "fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"]
 click = ["2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13", "5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"]
 colorama = ["05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d", "f8ac84de7840f5b9c4e3347b3c1eaa50f7e49c2b07596221daec5edaabbd7c48"]
+configparser = ["8be81d89d6e7b4c0d4e44bcc525845f6da25821de80cb5e06e7e0238a2899e32", "da60d0014fd8c55eb48c1c5354352e363e2d30bbf7057e5e171a468390184c75"]
+contextlib2 = ["509f9419ee91cdd00ba34443217d5ca51f5a364a404e1dce9e8979cea969ca48", "f5260a6e679d2ff42ec91ec5252f4eeffdcf21053db9113bd0a8e4d953769c00"]
 coverage = ["0c5fe441b9cfdab64719f24e9684502a59432df7570521563d7b1aff27ac755f", "2b412abc4c7d6e019ce7c27cbc229783035eef6d5401695dccba80f481be4eb3", "3684fabf6b87a369017756b551cef29e505cb155ddb892a7a29277b978da88b9", "39e088da9b284f1bd17c750ac672103779f7954ce6125fd4382134ac8d152d74", "3c205bc11cc4fcc57b761c2da73b9b72a59f8d5ca89979afb0c1c6f9e53c7390", "42692db854d13c6c5e9541b6ffe0fe921fe16c9c446358d642ccae1462582d3b", "465ce53a8c0f3a7950dfb836438442f833cf6663d407f37d8c52fe7b6e56d7e8", "48020e343fc40f72a442c8a1334284620f81295256a6b6ca6d8aa1350c763bbe", "4ec30ade438d1711562f3786bea33a9da6107414aed60a5daa974d50a8c2c351", "5296fc86ab612ec12394565c500b412a43b328b3907c0d14358950d06fd83baf", "5f61bed2f7d9b6a9ab935150a6b23d7f84b8055524e7be7715b6513f3328138e", "6899797ac384b239ce1926f3cb86ffc19996f6fa3a1efbb23cb49e0c12d8c18c", "68a43a9f9f83693ce0414d17e019daee7ab3f7113a70c79a3dd4c2f704e4d741", "6b8033d47fe22506856fe450470ccb1d8ba1ffb8463494a15cfc96392a288c09", "7ad7536066b28863e5835e8cfeaa794b7fe352d99a8cded9f43d1161be8e9fbd", "7bacb89ccf4bedb30b277e96e4cc68cd1369ca6841bde7b005191b54d3dd1034", "839dc7c36501254e14331bcb98b27002aa415e4af7ea039d9009409b9d2d5420", "8e679d1bde5e2de4a909efb071f14b472a678b788904440779d2c449c0355b27", "8f9a95b66969cdea53ec992ecea5406c5bd99c9221f539bca1e8406b200ae98c", "932c03d2d565f75961ba1d3cec41ddde00e162c5b46d03f7423edcb807734eab", "93f965415cc51604f571e491f280cff0f5be35895b4eb5e55b47ae90c02a497b", "988529edadc49039d205e0aa6ce049c5ccda4acb2d6c3c5c550c17e8c02c05ba", "998d7e73548fe395eeb294495a04d38942edb66d1fa61eb70418871bc621227e", "9de60893fb447d1e797f6bf08fdf0dbcda0c1e34c1b06c92bd3a363c0ea8c609", "9e80d45d0c7fcee54e22771db7f1b0b126fb4a6c0a2e5afa72f66827207ff2f2", "a545a3dfe5082dc8e8c3eb7f8a2cf4f2870902ff1860bd99b6198cfd1f9d1f49", "a5d8f29e5ec661143621a8f4de51adfb300d7a476224156a39a392254f70687b", "a9abc8c480e103dc05d9b332c6cc9fb1586330356fc14f1aa9c0ca5745097d19", "aca06bfba4759bbdb09bf52ebb15ae20268ee1f6747417837926fae990ebc41d", "bb23b7a6fd666e551a3094ab896a57809e010059540ad20acbeec03a154224ce", "bfd1d0ae7e292105f29d7deaa9d8f2916ed8553ab9d5f39ec65bcf5deadff3f9", "c22ab9f96cbaff05c6a84e20ec856383d27eae09e511d3e6ac4479489195861d", "c62ca0a38958f541a73cf86acdab020c2091631c137bd359c4f5bddde7b75fd4", "c709d8bda72cf4cd348ccec2a4881f2c5848fd72903c185f363d361b2737f773", "c968a6aa7e0b56ecbd28531ddf439c2ec103610d3e2bf3b75b813304f8cb7723", "ca58eba39c68010d7e87a823f22a081b5290e3e3c64714aac3c91481d8b34d22", "df785d8cb80539d0b55fd47183264b7002077859028dfe3070cf6359bf8b2d9c", "f406628ca51e0ae90ae76ea8398677a921b36f0bd71aab2099dfed08abd0322f", "f46087bbd95ebae244a0eda01a618aff11ec7a069b15a3ef8f6b520db523dcf1", "f8019c5279eb32360ca03e9fac40a12667715546eed5c5eb59eb381f2f501260", "fc5f4d209733750afd2714e9109816a29500718b32dd9a5db01c0cb3a019b96a"]
 docutils = ["02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6", "51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274", "7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6"]
+funcsigs = ["330cc27ccbf7f1e992e69fef78261dc7c6569012cf397db8d3de0234e6c937ca", "a7bb0f2cf3a3fd1ab2732cb49eba4252c2af4240442415b4abce3b87022a8f50"]
 idna = ["c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407", "ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"]
 imagesize = ["3f349de3eb99145973fefb7dbe38554414e5c30abd0c8e4b970a7c9d09f3a1d8", "f3832918bc3c66617f92e35f5d70729187676313caa60c187eb0f28b8fe5e3b5"]
 importlib-metadata = ["6dfd58dfe281e8d240937776065dd3624ad5469c835248219bd16cf2e12dbeb7", "cb6ee23b46173539939964df59d3d72c3e0c1b5d54b84f1d8a7e912fe43612db"]
 jinja2 = ["065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013", "14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"]
 livereload = ["78d55f2c268a8823ba499305dcac64e28ddeb9a92571e12d543cd304faf5817b", "89254f78d7529d7ea0a3417d224c34287ebfe266b05e67e51facaf82c27f0f66"]
 markupsafe = ["00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473", "09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161", "09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235", "1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5", "24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff", "29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b", "43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1", "46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e", "500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183", "535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66", "62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1", "6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1", "717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e", "79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b", "7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905", "88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735", "8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d", "98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e", "9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d", "9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c", "ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21", "b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2", "b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5", "b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b", "ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6", "c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f", "cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f", "e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"]
-more-itertools = ["3ad685ff8512bf6dc5a8b82ebf73543999b657eded8c11803d9ba6b648986f4d", "8bb43d1f51ecef60d81854af61a3a880555a14643691cc4b64a6ee269c78f09a"]
+more-itertools = ["38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4", "c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc", "fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"]
 packaging = ["0c98a5d0be38ed775798ece1b9727178c4469d9c3b4ada66e8e6b7849f8732af", "9e1cbf8c12b1f1ce0bb5344b8d7ecf66a6f8a6e91bcb0c84593ed6d3ab5c4ab3"]
 pathlib2 = ["2156525d6576d21c4dcaddfa427fae887ef89a7a9de5cbfe0728b3aafa78427e", "446014523bb9be5c28128c4d2a10ad6bb60769e78bd85658fe44a450674e0ef8"]
 pathtools = ["7c35c5421a39bb82e58018febd90e3b6e5db34c5443aaaf742b3f33d4655f1c0"]
@ -606,16 +739,17 @@ port-for = ["b16a84bb29c2954db44c29be38b17c659c9c27e33918dec16b90d375cc596f1c"]
 py = ["64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa", "dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"]
 pygments = ["71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127", "881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"]
 pyparsing = ["1873c03321fc118f4e9746baf201ff990ceb915f433f23b395f5580d1840cb2a", "9b6323ef4ab914af344ba97510e966d64ba91055d6b9afa6b30799340e89cc03"]
-pytest = ["6ef6d06de77ce2961156013e9dff62f1b2688aa04d0dc244299fe7d67e09370d", "a736fed91c12681a7b34617c8fcefe39ea04599ca72c608751c31d89579a3f77"]
+pytest = ["6aa9bc2f6f6504d7949e9df2a756739ca06e58ffda19b5e53c725f7b03fb4aae", "b77ae6f2d1a760760902a7676887b665c086f71e3461c64ed2a312afcedc00d6"]
 pytest-cov = ["2b097cde81a302e1047331b48cadacf23577e431b61e9c6f49a1170bbe3d3da6", "e00ea4fdde970725482f1f35630d12f074e121a23801aabf2ae154ec6bdd343a"]
 pytz = ["303879e36b721603cc54604edcac9d20401bdbe31e1e4fdee5b9f98d5d31dfda", "d747dd3d23d77ef44c6a3526e274af6efeb0a6f1afd5a69ba4d5be4098c8e141"]
 pyyaml = ["57acc1d8533cbe51f6662a55434f0dbecfa2b9eaf115bede8f6fd00115a0c0d3", "588c94b3d16b76cfed8e0be54932e5729cc185caffaa5a451e7ad2f7ed8b4043", "68c8dd247f29f9a0d09375c9c6b8fdc64b60810ebf07ba4cdd64ceee3a58c7b7", "70d9818f1c9cd5c48bb87804f2efc8692f1023dac7f1a1a5c61d454043c1d265", "86a93cccd50f8c125286e637328ff4eef108400dd7089b46a7be3445eecfa391", "a0f329125a926876f647c9fa0ef32801587a12328b4a3c741270464e3e4fa778", "a3c252ab0fa1bb0d5a3f6449a4826732f3eb6c0270925548cac342bc9b22c225", "b4bb4d3f5e232425e25dda21c070ce05168a786ac9eda43768ab7f3ac2770955", "cd0618c5ba5bda5f4039b9398bb7fb6a317bb8298218c3de25c47c4740e4b95e", "ceacb9e5f8474dcf45b940578591c7f3d960e82f926c707788a570b51ba59190", "fe6a88094b64132c4bb3b631412e90032e8cfe9745a58370462240b8cb7553cd"]
 readme-renderer = ["bb16f55b259f27f75f640acf5e00cf897845a8b3e4731b5c1a436e4b8529202f", "c8532b79afc0375a85f10433eca157d6b50f7d6990f337fa498c96cd4bfc203d"]
-requests = ["11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4", "9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"]
+requests = ["502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e", "7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b", "11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4", "9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"]
 requests-toolbelt = ["380606e1d10dc85c3bd47bf5a6095f815ec007be7a8b69c878507068df059e6f", "968089d4584ad4ad7c171454f0a5c6dac23971e9472521ea3b6d49d610aa6fc0"]
+scandir = ["2586c94e907d99617887daed6c1d102b5ca28f1085f90446554abf1faf73123e", "2ae41f43797ca0c11591c0c35f2f5875fa99f8797cb1a1fd440497ec0ae4b022", "2b8e3888b11abb2217a32af0766bc06b65cc4a928d8727828ee68af5a967fa6f", "2c712840c2e2ee8dfaf36034080108d30060d759c7b73a01a52251cc8989f11f", "4d4631f6062e658e9007ab3149a9b914f3548cb38bfb021c64f39a025ce578ae", "67f15b6f83e6507fdc6fca22fedf6ef8b334b399ca27c6b568cbfaa82a364173", "7d2d7a06a252764061a020407b997dd036f7bd6a175a5ba2b345f0a357f0b3f4", "8c5922863e44ffc00c5c693190648daa6d15e7c1207ed02d6f46a8dcc2869d32", "92c85ac42f41ffdc35b6da57ed991575bdbe69db895507af88b9f499b701c188", "b24086f2375c4a094a6b51e78b4cf7ca16c721dcee2eddd7aa6494b42d6d519d", "cb925555f43060a1745d0a321cca94bcea927c50114b623d73179189a4e100ac"]
 six = ["3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c", "d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"]
 snowballstemmer = ["9f3b9ffe0809d174f7047e121431acf99c89a7040f0ca84f94ba53a498e6d0c9"]
-sphinx = ["22538e1bbe62b407cf5a8aabe1bb15848aa66bb79559f42f5202bbce6b757a69", "f9a79e746b87921cabc3baa375199c6076d1270cee53915dbd24fdbeaaacc427"]
+sphinx = ["9f3e17c64b34afc653d7c5ec95766e03043cc6d80b0de224f59b6b6e19d37c3c", "c7658aab75c920288a8cf6f09f244c6cfdae30d82d803ac1634d9f223a80ca08", "22538e1bbe62b407cf5a8aabe1bb15848aa66bb79559f42f5202bbce6b757a69", "f9a79e746b87921cabc3baa375199c6076d1270cee53915dbd24fdbeaaacc427"]
 sphinx-autobuild = ["66388f81884666e3821edbe05dd53a0cfb68093873d17320d0610de8db28c74e", "e60aea0789cab02fa32ee63c7acae5ef41c06f1434d9fd0a74250a61f5994692"]
 sphinx-rtd-theme = ["00cf895504a7895ee433807c62094cf1e95f065843bf3acd17037c3e9a2becd4", "728607e34d60456d736cc7991fd236afb828b21b82f956c5ea75f94c8414040a"]
 sphinxcontrib-applehelp = ["edaa0ab2b2bc74403149cb0209d6775c96de797dfd5b5e2a71981309efab3897", "fb8dee85af95e5c30c91f10e7eb3c8967308518e0f7488a2828ef7bc191d0d5d"]
@ -624,11 +758,13 @@ sphinxcontrib-htmlhelp = ["4670f99f8951bd78cd4ad2ab962f798f5618b17675c35c5ac3b21
 sphinxcontrib-jsmath = ["2ec2eaebfb78f3f2078e73666b1415417a116cc848b72e5172e596c871103178", "a9925e4a4587247ed2191a22df5f6970656cb8ca2bd6284309578f2153e0c4b8"]
 sphinxcontrib-qthelp = ["513049b93031beb1f57d4daea74068a4feb77aa5630f856fcff2e50de14e9a20", "79465ce11ae5694ff165becda529a600c754f4bc459778778c7017374d4d406f"]
 sphinxcontrib-serializinghtml = ["c0efb33f8052c04fd7a26c0a07f1678e8512e0faec19f4aa8f2473a8b81d5227", "db6615af393650bf1151a6cd39120c29abaf93cc60db8c48eb2dddbfdc3a9768"]
+sphinxcontrib-websupport = ["1501befb0fdf1d1c29a800fdbf4ef5dc5369377300ddbdd16d2cd40e54c6eefc", "e02f717baf02d0b6c3dd62cf81232ffca4c9d5c331e03766982e3ff9f1d2bc3f"]
 toml = ["229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c", "235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e", "f1db651f9657708513243e61e6cc67d101a39bad662eaa9b5546f789338e07a3"]
-tornado = ["349884248c36801afa19e342a77cc4458caca694b0eda633f5878e458a44cb2c", "398e0d35e086ba38a0427c3b37f4337327231942e731edaa6e9fd1865bbd6f60", "4e73ef678b1a859f0cb29e1d895526a20ea64b5ffd510a2307b5998c7df24281", "559bce3d31484b665259f50cd94c5c28b961b09315ccd838f284687245f416e5", "abbe53a39734ef4aba061fca54e30c6b4639d3e1f59653f0da37a0003de148c7", "c845db36ba616912074c5b1ee897f8e0124df269468f25e4fe21fe72f6edd7a9", "c9399267c926a4e7c418baa5cbe91c7d1cf362d505a1ef898fde44a07c9dd8a5"]
+tornado = ["0662d28b1ca9f67108c7e3b77afabfb9c7e87bde174fbda78186ecedc2499a9d", "4e5158d97583502a7e2739951553cbd88a72076f152b4b11b64b9a10c4c49409", "732e836008c708de2e89a31cb2fa6c0e5a70cb60492bee6f1ea1047500feaf7f", "8154ec22c450df4e06b35f131adc4f2f3a12ec85981a203301d310abf580500f", "8e9d728c4579682e837c92fdd98036bd5cdefa1da2aaf6acf26947e6dd0c01c5", "d4b3e5329f572f055b587efc57d29bd051589fb5a43ec8898c77a47ec2fa2bbb", "e5f2585afccbff22390cddac29849df463b252b711aa2ce7c5f3f342a5b3b444"]
 tqdm = ["14a285392c32b6f8222ecfbcd217838f88e11630affe9006cd0e94c7eff3cb61", "25d4c0ea02a305a688e7e9c2cdc8f862f989ef2a4701ab28ee963295f5b109ab"]
 twine = ["0fb0bfa3df4f62076cab5def36b1a71a2e4acb4d1fa5c97475b048117b1a6446", "d6c29c933ecfc74e9b1d9fa13aa1f87c5d5770e119f5a4ce032092f0ff5b14dc"]
-urllib3 = ["b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1", "dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"]
+typing = ["38566c558a0a94d6531012c8e917b1b8518a41e418f7f15f00e129cc80162ad3", "53765ec4f83a2b720214727e319607879fec4acde22c4fbb54fa2604e79e44ce", "84698954b4e6719e912ef9a42a2431407fe3755590831699debda6fba92aac55"]
+urllib3 = ["2393a695cd12afedd0dcb26fe5d50d0cf248e5a66f75dbd89a3d4eb333a61af4", "a637e5fae88995b256e3409dc4d52c2e2e0ba32c42a6365fee8bbd2238de3cfb", "b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1", "dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"]
 watchdog = ["965f658d0732de3188211932aeb0bb457587f04f63ab4c1e33eab878e9de961d"]
 wcwidth = ["3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e", "f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"]
 webencodings = ["a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78", "b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"]
--- a/pyproject.toml
+++ b/pyproject.toml
@ -39,7 +39,10 @@ classifiers = [
    "License :: OSI Approved :: MIT License",
    "Intended Audience :: Science/Research",
    "Natural Language :: English",
+    "Programming Language :: Python :: 2",
+    "Programming Language :: Python :: 2.7",
    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.4",
    "Programming Language :: Python :: 3.5",
    "Programming Language :: Python :: 3.6",
    "Programming Language :: Python :: 3.7",
@ -49,13 +52,13 @@ classifiers = [
 ]

 [tool.poetry.dependencies]
-python = "^3.5"
+python = "~2.7 || ^3.4"

 [tool.poetry.dev-dependencies]
-sphinx = "^2.1"
+sphinx = {version = "^2.1", python = "^3.7"}
 sphinx-autobuild = "^0.7.1"
 sphinx-rtd-theme = "^0.4.3"
-pytest = "^5.0"
+pytest = "^4.6"
 pytest-cov = "^2.7"
 twine = "^1.13"
 black = {version = "^18.3-alpha.0",allows-prereleases = true,python = "^3.7"}