Added flake8 as development dependency and fixed reported issues

1 files changed, 52 insertions, 1 deletions

diff --git a/poetry.lock b/poetry.lock
index 4255772..da7eac2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -97,6 +97,14 @@ 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"
+
+[[package]]
+category = "dev"
 description = "A platform independent file lock."
 name = "filelock"
 optional = false
@@ -105,6 +113,20 @@ version = "3.0.12"
 
 [[package]]
 category = "dev"
+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"
+
+[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"
+
+[[package]]
+category = "dev"
 description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
 optional = false
@@ -151,6 +173,14 @@ version = "1.1.1"
 
 [[package]]
 category = "dev"
+description = "McCabe checker, plugin for flake8"
+name = "mccabe"
+optional = false
+python-versions = "*"
+version = "0.6.1"
+
+[[package]]
+category = "dev"
 description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
 optional = false
@@ -232,6 +262,22 @@ version = "0.4.6"
 
 [[package]]
 category = "dev"
+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"
+
+[[package]]
+category = "dev"
+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"
+
+[[package]]
+category = "dev"
 description = "Pygments is a syntax highlighting package written in Python."
 name = "pygments"
 optional = false
@@ -489,7 +535,7 @@ python-versions = ">=2.7"
 version = "0.5.2"
 
 [metadata]
-content-hash = "19b0fa85c2b103b5379097a1d476f450c123dd1a0b770e4c9beca9db5644fd9a"
+content-hash = "d9a51bfd7b1f873f2cc17e37a64cf0e03eefcc3410f741dff2a45a01bb4a2b3b"
 python-versions = "^3.5"
 
 [metadata.hashes]
@@ -504,12 +550,15 @@ coverage = ["08907593569fe59baca0bf152c43f3863201efb6113ecb38ce7e97ce339805a6",
 coveralls = ["9bc5a1f92682eef59f688a8f280207190d9a6afb84cef8f567fa47631a784060", "fb51cddef4bc458de347274116df15d641a735d3f0a580a9472174e2e62f408c"]
 docopt = ["49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"]
 docutils = ["6c4f696463b79f1fb8ba0c594b63840ebd41f059e92b31957c46b74a4599b6d0", "9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827", "a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"]
+entrypoints = ["589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19", "c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"]
 filelock = ["18d82244ee114f543149c66a6e0c14e9c4f8a1044b5cdaadd0f82159d6a6ff59", "929b7d63ec5b7d6b71b0fa5ac14e030b3f70b75747cef1b10da9b879fef15836"]
+flake8 = ["19241c1cbc971b9962473e4438a2ca19749a7dd002dd1a946eaba171b4114548", "8e9dfa3cecb2400b3738a42c54c3043e821682b9c840b0448c0503f781130696"]
 idna = ["c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407", "ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"]
 imagesize = ["3f349de3eb99145973fefb7dbe38554414e5c30abd0c8e4b970a7c9d09f3a1d8", "f3832918bc3c66617f92e35f5d70729187676313caa60c187eb0f28b8fe5e3b5"]
 importlib-metadata = ["23d3d873e008a513952355379d93cbcab874c58f4f034ff657c7a87422fa64e8", "80d2de76188eabfbfcf27e6a37342c2827801e59c4cc14b0371c56fed43820e3"]
 jinja2 = ["065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013", "14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"]
 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"]
+mccabe = ["ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42", "dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"]
 more-itertools = ["409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832", "92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"]
 mypy = ["0107bff4f46a289f0e4081d59b77cef1c48ea43da5a0dbf0005d54748b26df2a", "07957f5471b3bb768c61f08690c96d8a09be0912185a27a68700f3ede99184e4", "10af62f87b6921eac50271e667cc234162a194e742d8e02fc4ddc121e129a5b0", "11fd60d2f69f0cefbe53ce551acf5b1cec1a89e7ce2d47b4e95a84eefb2899ae", "15e43d3b1546813669bd1a6ec7e6a11d2888db938e0607f7b5eef6b976671339", "352c24ba054a89bb9a35dd064ee95ab9b12903b56c72a8d3863d882e2632dc76", "437020a39417e85e22ea8edcb709612903a9924209e10b3ec6d8c9f05b79f498", "49925f9da7cee47eebf3420d7c0e00ec662ec6abb2780eb0a16260a7ba25f9c4", "6724fcd5777aa6cebfa7e644c526888c9d639bd22edd26b2a8038c674a7c34bd", "7a17613f7ea374ab64f39f03257f22b5755335b73251d0d253687a69029701ba", "cdc1151ced496ca1496272da7fc356580e95f2682be1d32377c22ddebdf73c91"]
 mypy-extensions = ["37e0e956f41369209a3d5f34580150bcacfabaa57b33a15c0b25f4b5725e0812", "b16cabe759f55e3409a7d231ebd2841378fb0c27a5d1994719e340e4f429ac3e"]
@@ -518,6 +567,8 @@ pathlib2 = ["2156525d6576d21c4dcaddfa427fae887ef89a7a9de5cbfe0728b3aafa78427e",
 pluggy = ["0825a152ac059776623854c1543d65a4ad408eb3d33ee114dff91e57ec6ae6fc", "b9817417e95936bf75d85d3f8767f7df6cdde751fc40aed3bb3074cbcb77757c"]
 py = ["64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa", "dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"]
 pyasn1 = ["0c444a3482c5f5c7fab93567761324f77045ede002362171e12acdd400ea50e0", "27e919f274d96829d9c78455eacf6a2253c9fd44979e5f880b672b524161366d", "3bb81821d47b17146049e7574ab4bf1e315eb7aead30efe5d6a9ca422c9710be", "3f8b11ba9fde9aeb56882589896cf9c7c8f4d5630f5e83abec1d80d1ef37b28b", "40f307cb9e351bf54b5cf956a85e02a42d4f881dac79ce7d0b736acb2adab0e5", "54734028b18e1d625a788d9846479ce088f10015db9ffb1abdd406d82b68b600", "5616c045d1eb934fecc0162bc2b9bd2c8935d4a3c4642c3ccd96fb1528b1f218", "5eb6dbc1191dc8a18da9d3ee4c3133909e3cfd0967d434dee958e737c1ca0bb7", "72f5f934852f4722e769ec9a4dd20d6fa206a78186bab2aadf27753a222892f6", "86ddc0f9a9062f111e70de780c5eb6d5d726f44809fafaa0af7a534ed66fc7c1", "b17f6696f920dc712a4dc5c711b1abd623d80531910e1455c70a6cb85ffb6332", "b773d5c9196ffbc3a1e13bdf909d446cad80a039aa3340bcad72f395b76ebc86", "f8dda822e63df09237acd8f88940c68c1964076e5d9a906cbf385d71ec1a4006"]
+pycodestyle = ["95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56", "e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"]
+pyflakes = ["17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0", "d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"]
 pygments = ["71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127", "881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"]
 pyparsing = ["6f98a7b9397e206d78cc01df10131398f1c8b8510a2f4d97d9abd82e1aacdd80", "d9338df12903bbf5d65a0e4e87c2161968b10d2e489652bb47001d82a9b028b4"]
 pysha3 = ["0060a66be16665d90c432f55a0ba1f6480590cfb7d2ad389e688a399183474f0", "11a2ba7a2e1d9669d0052fc8fb30f5661caed5512586ecbeeaf6bf9478ab5c48", "386998ee83e313b6911327174e088021f9f2061cbfa1651b97629b761e9ef5c4", "41be70b06c8775a9e4d4eeb52f2f6a3f356f17539a54eac61f43a29e42fd453d", "4416f16b0f1605c25f627966f76873e432971824778b369bd9ce1bb63d6566d9", "571a246308a7b63f15f5aa9651f99cf30f2a6acba18eddf28f1510935968b603", "59111c08b8f34495575d12e5f2ce3bafb98bea470bc81e70c8b6df99aef0dd2f", "5ec8da7c5c70a53b5fa99094af3ba8d343955b212bc346a0d25f6ff75853999f", "684cb01d87ed6ff466c135f1c83e7e4042d0fc668fa20619f581e6add1d38d77", "68c3a60a39f9179b263d29e221c1bd6e01353178b14323c39cc70593c30f21c5", "6e6a84efb7856f5d760ee55cd2b446972cb7b835676065f6c4f694913ea8f8d9", "827b308dc025efe9b6b7bae36c2e09ed0118a81f792d888548188e97b9bf9a3d", "93abd775dac570cb9951c4e423bcb2bc6303a9d1dc0dc2b7afa2dd401d195b24", "9c778fa8b161dc9348dc5cc361e94d54aa5ff18413788f4641f6600d4893a608", "9fdd28884c5d0b4edfed269b12badfa07f1c89dbc5c9c66dd279833894a9896b", "c7c2adcc43836223680ebdf91f1d3373543dc32747c182c8ca2e02d1b69ce030", "c93a2676e6588abcfaecb73eb14485c81c63b94fca2000a811a7b4fb5937b8e8", "cd5c961b603bd2e6c2b5ef9976f3238a561c58569945d4165efb9b9383b050ef", "f9046d59b3e72aa84f6dae83a040bd1184ebd7fef4e822d38186a8158c89e3cf", "fd7e66999060d079e9c0e8893e78d8017dad4f59721f6fe0be6307cd32127a07", "fe988e73f2ce6d947220624f04d467faf05f1bbdbc64b0a201296bb3af92739e"]