Merge branch 'bnewbold-bugfixes' into 'master'

fix tests; dynaconf dependency; handle fatcat API release lookup 404

See merge request webgroup/fuzzycat!3

9 files changed, 110 insertions, 86 deletions

diff --git a/Pipfile.lock b/Pipfile.lock
index d849278..f981c58 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,25 +18,25 @@
     "default": {
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==21.2.0"
         },
         "boltons": {
             "hashes": [
-                "sha256:3dd8a8e3c1886e7f7ba3422b50f55a66e1700161bf01b919d098e7d96dd2d9b6",
-                "sha256:dd362291a460cc1e0c2e91cc6a60da3036ced77099b623112e8f833e6734bdc5"
+                "sha256:65e70a79a731a7fe6e98592ecfb5ccf2115873d01dbc576079874629e5c90f13",
+                "sha256:b9bb7b58b2b420bbe11a6025fdef6d3e5edc9f76a42fb467afe7ca212ef9948b"
             ],
-            "version": "==20.2.1"
+            "version": "==21.0.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
-                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2020.12.5"
+            "version": "==2021.5.30"
         },
         "chardet": {
             "hashes": [
@@ -56,11 +56,11 @@
         },
         "elasticsearch": {
             "hashes": [
-                "sha256:9a77172be02bc4855210d83f0f1346a1e7d421e3cb2ca47ba81ac0c5a717b3a0",
-                "sha256:c67b0f6541eda6de9f92eaea319c070aa2710c5d4d4ee5e3dfa3c21bd95aa378"
+                "sha256:8213d6b7d3f984a23e2f8b6ff63366224b3de9129839ed0cb8195d9e8339dc85",
+                "sha256:da3de0451c61e9357cec2f8bf32d8aea65974e5717b5deef53718392cf4c2985"
             ],
             "index": "pypi",
-            "version": "==7.12.0"
+            "version": "==7.13.0"
         },
         "elasticsearch-dsl": {
             "hashes": [
@@ -86,14 +86,17 @@
         },
         "ftfy": {
             "hashes": [
-                "sha256:9eb68533eb2a6124e96ed7f63049e6c519194fda3fae92629b5e0b5753cb2c8f"
+                "sha256:ba71121a9c8d7790d3e833c6c1021143f3e5c4118293ec3afb5d43ed9ca8e72b"
             ],
             "index": "pypi",
-            "version": "==6.0.1"
+            "version": "==6.0.3"
         },
         "fuzzy": {
-            "editable": true,
-            "path": "."
+            "hashes": [
+                "sha256:6b240e630235f183730b27fcb70fdd0d409bee2c3a4e7a964eeae093a28c4f38"
+            ],
+            "index": "pypi",
+            "version": "==1.2.2"
         },
         "fuzzycat": {
             "editable": true,
@@ -128,7 +131,7 @@
                 "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
                 "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.8.1"
         },
         "regex": {
@@ -188,11 +191,11 @@
         },
         "six": {
             "hashes": [
-                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
-                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
-            "version": "==1.15.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
         },
         "toml": {
             "hashes": [
@@ -212,11 +215,11 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df",
-                "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"
+                "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c",
+                "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.4"
+            "version": "==1.26.5"
         },
         "wcwidth": {
             "hashes": [
@@ -291,19 +294,19 @@
     "develop": {
         "astroid": {
             "hashes": [
-                "sha256:ad63b8552c70939568966811a088ef0bc880f99a24a00834abd0e3681b514f91",
-                "sha256:bea3f32799fbb8581f58431c12591bc20ce11cbc90ad82e2ea5717d94f2080d5"
+                "sha256:4db03ab5fc3340cf619dbc25e42c2cc3755154ce6009469766d7143d1fc2ee4e",
+                "sha256:8a398dfce302c13f14bab13e2b14fe385d32b73f4e4853b9bdfb64598baa1975"
             ],
-            "markers": "python_version >= '3.6'",
-            "version": "==2.5.3"
+            "markers": "python_version ~= '3.6'",
+            "version": "==2.5.6"
         },
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==21.2.0"
         },
         "backcall": {
             "hashes": [
@@ -322,22 +325,31 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
-                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2020.12.5"
+            "version": "==2021.5.30"
         },
         "cffi": {
             "hashes": [
                 "sha256:005a36f41773e148deac64b08f233873a4d0c18b053d37da83f6af4d9087b813",
+                "sha256:04c468b622ed31d408fea2346bec5bbffba2cc44226302a0de1ade9f5ea3d373",
+                "sha256:06d7cd1abac2ffd92e65c0609661866709b4b2d82dd15f611e602b9b188b0b69",
+                "sha256:06db6321b7a68b2bd6df96d08a5adadc1fa0e8f419226e25b2a5fbf6ccc7350f",
                 "sha256:0857f0ae312d855239a55c81ef453ee8fd24136eaba8e87a2eceba644c0d4c06",
+                "sha256:0f861a89e0043afec2a51fd177a567005847973be86f709bbb044d7f42fc4e05",
                 "sha256:1071534bbbf8cbb31b498d5d9db0f274f2f7a865adca4ae429e147ba40f73dea",
                 "sha256:158d0d15119b4b7ff6b926536763dc0714313aa59e320ddf787502c70c4d4bee",
+                "sha256:1bf1ac1984eaa7675ca8d5745a8cb87ef7abecb5592178406e55858d411eadc0",
                 "sha256:1f436816fc868b098b0d63b8920de7d208c90a67212546d02f84fe78a9c26396",
+                "sha256:24a570cd11895b60829e941f2613a4f79df1a27344cbbb82164ef2e0116f09c7",
+                "sha256:24ec4ff2c5c0c8f9c6b87d5bb53555bf267e1e6f70e52e5a9740d32861d36b6f",
                 "sha256:2894f2df484ff56d717bead0a5c2abb6b9d2bf26d6960c4604d5c48bbc30ee73",
                 "sha256:29314480e958fd8aab22e4a58b355b629c59bf5f2ac2492b61e3dc06d8c7a315",
+                "sha256:293e7ea41280cb28c6fcaaa0b1aa1f533b8ce060b9e701d78511e1e6c4a1de76",
                 "sha256:34eff4b97f3d982fb93e2831e6750127d1355a923ebaeeb565407b3d2f8d41a1",
                 "sha256:35f27e6eb43380fa080dccf676dece30bef72e4a67617ffda586641cd4508d49",
+                "sha256:3c3f39fa737542161d8b0d680df2ec249334cd70a8f420f71c9304bd83c3cbed",
                 "sha256:3d3dd4c9e559eb172ecf00a2a7517e97d1e96de2a5e610bd9b68cea3925b4892",
                 "sha256:43e0b9d9e2c9e5d152946b9c5fe062c151614b262fda2e7b201204de0b99e482",
                 "sha256:48e1c69bbacfc3d932221851b39d49e81567a4d4aac3b21258d9c24578280058",
@@ -345,6 +357,7 @@
                 "sha256:58e3f59d583d413809d60779492342801d6e82fefb89c86a38e040c16883be53",
                 "sha256:5de7970188bb46b7bf9858eb6890aad302577a5f6f75091fd7cdd3ef13ef3045",
                 "sha256:65fa59693c62cf06e45ddbb822165394a288edce9e276647f0046e1ec26920f3",
+                "sha256:681d07b0d1e3c462dd15585ef5e33cb021321588bebd910124ef4f4fb71aef55",
                 "sha256:69e395c24fc60aad6bb4fa7e583698ea6cc684648e1ffb7fe85e3c1ca131a7d5",
                 "sha256:6c97d7350133666fbb5cf4abdc1178c812cb205dc6f41d174a7b0f18fb93337e",
                 "sha256:6e4714cc64f474e4d6e37cfff31a814b509a35cb17de4fb1999907575684479c",
@@ -362,8 +375,10 @@
                 "sha256:b85eb46a81787c50650f2392b9b4ef23e1f126313b9e0e9013b35c15e4288e2e",
                 "sha256:bb89f306e5da99f4d922728ddcd6f7fcebb3241fc40edebcb7284d7514741991",
                 "sha256:cbde590d4faaa07c72bf979734738f328d239913ba3e043b1e98fe9a39f8b2b6",
+                "sha256:cc5a8e069b9ebfa22e26d0e6b97d6f9781302fe7f4f2b8776c3e1daea35f1adc",
                 "sha256:cd2868886d547469123fadc46eac7ea5253ea7fcb139f12e1dfc2bbd406427d1",
                 "sha256:d42b11d692e11b6634f7613ad8df5d6d5f8875f5d48939520d351007b3c13406",
+                "sha256:df5052c5d867c1ea0b311fb7c3cd28b19df469c056f7fdcfe88c7473aa63e333",
                 "sha256:f2d45f97ab6bb54753eab54fffe75aaf3de4ff2341c9daee1987ee1837636f1d",
                 "sha256:fd78e5fee591709f32ef6edb9a015b4aa1a5022598e36227500c8f4e02328d9c"
             ],
@@ -386,6 +401,9 @@
             "version": "==0.4.4"
         },
         "coverage": {
+            "extras": [
+                "toml"
+            ],
             "hashes": [
                 "sha256:004d1880bed2d97151facef49f08e255a20ceb6f9432df75f4eef018fdd5a78c",
                 "sha256:01d84219b5cdbfc8122223b39a954820929497a1cb1422824bb86b07b74594b6",
@@ -463,19 +481,19 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:6f201a6c4dac3d187352661f508b9364ec8091217442c9478f1f83c003a0f060",
-                "sha256:945d84890bb20cc4a2f4a31fc4311c0c473af65ea318617f13a7257c9a58bc98"
+                "sha256:6e5c199c16f7a9f0e3a61a4a54b3d27e7dad0dbdde92b944426cb20914376323",
+                "sha256:72ecfba4320a893c53f9706bebb2d55c270c1e51a28789361aa93e4a21319ed5"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==5.0.7"
+            "version": "==5.0.9"
         },
         "docutils": {
             "hashes": [
-                "sha256:a71042bb7207c03d5647f280427f14bfbd1a65c9eb84f4b341d85fafb6bb4bdf",
-                "sha256:e2ffeea817964356ba4470efba7c2f42b6b0de0b04e66378507e3e2504bbff4c"
+                "sha256:686577d2e4c32380bb50cbb22f575ed742d58168cee37e99117a854bcd88f125",
+                "sha256:cf316c8370a737a022b72b56874f6602acf974a37a9fba42ec2876387549fc61"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==0.17"
+            "version": "==0.17.1"
         },
         "idna": {
             "hashes": [
@@ -502,11 +520,11 @@
         },
         "ipython": {
             "hashes": [
-                "sha256:9c900332d4c5a6de534b4befeeb7de44ad0cc42e8327fa41b7685abde58cec74",
-                "sha256:c0ce02dfaa5f854809ab7413c601c4543846d9da81010258ecdab299b542d199"
+                "sha256:a171caa3d3d4c819a1c0742e3abecfd5a2b8ab525ca1c9f114b40b76b0679ab1",
+                "sha256:f86788eef439891438af3498525094cc2acbdbea4f2aa2f8895782d4ff471341"
             ],
             "index": "pypi",
-            "version": "==7.22.0"
+            "version": "==7.24.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -575,6 +593,14 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
             "version": "==1.6.0"
         },
+        "matplotlib-inline": {
+            "hashes": [
+                "sha256:5cf1176f554abb4fa98cb362aa2b55c500147e4bdbb07e3fda359143e1da0811",
+                "sha256:f41d5ff73c9f5385775d5c0bc13b424535c8402fe70ea8210f93e11f3683993e"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==0.1.2"
+        },
         "mccabe": {
             "hashes": [
                 "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
@@ -696,43 +722,43 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:2656e1a6edcdabf4275f9a3640db59fd5de107d88e8663c5d4e9a0fa62f77f94",
-                "sha256:534ef71d539ae97d4c3a4cf7d6f110f214b0e687e92f9cb9d2a3b0d3101289c8"
+                "sha256:a18f47b506a429f6f4b9df81bb02beab9ca21d0a5fee38ed15aef65f0545519f",
+                "sha256:d66e804411278594d764fc69ec36ec13d9ae9147193a1740cd34d272ca383b8e"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==2.8.1"
+            "version": "==2.9.0"
         },
         "pylint": {
             "hashes": [
-                "sha256:209d712ec870a0182df034ae19f347e725c1e615b2269519ab58a35b3fcbbe7a",
-                "sha256:bd38914c7731cdc518634a8d3c5585951302b6e2b6de60fbb3f7a0220e21eeee"
+                "sha256:0a049c5d47b629d9070c3932d13bff482b12119b6a241a93bc460b0be16953c8",
+                "sha256:792b38ff30903884e4a9eab814ee3523731abd3c463f3ba48d7b627e87013484"
             ],
             "index": "pypi",
-            "version": "==2.7.4"
+            "version": "==2.8.3"
         },
         "pyparsing": {
             "hashes": [
                 "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
                 "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'",
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.4.7"
         },
         "pytest": {
             "hashes": [
-                "sha256:671238a46e4df0f3498d1c3270e5deb9b32d25134c99b7d75370a68cfbe9b634",
-                "sha256:6ad9c7bdf517a808242b998ac20063c41532a570d088d77eec1ee12b0b5574bc"
+                "sha256:50bcad0a0b9c5a72c8e4e7c9855a3ad496ca6a881a3641b4260605450772c54b",
+                "sha256:91ef2131a9bd6be8f76f1f08eac5c5317221d6ad1e143ae03894b862e8976890"
             ],
             "index": "pypi",
-            "version": "==6.2.3"
+            "version": "==6.2.4"
         },
         "pytest-cov": {
             "hashes": [
-                "sha256:359952d9d39b9f822d9d29324483e7ba04a3a17dd7d05aa6beb7ea01e359e5f7",
-                "sha256:bdb9fdb0b85a7cc825269a4c56b48ccaa5c7e365054b6038772c32ddcdc969da"
+                "sha256:8535764137fecce504a49c2b742288e3d34bc09eed298ad65963616cc98fd45e",
+                "sha256:95d4933dcbbacfa377bb60b29801daa30d90c33981ab2a79e9ab4452c165066e"
             ],
             "index": "pypi",
-            "version": "==2.11.1"
+            "version": "==2.12.0"
         },
         "readme-renderer": {
             "hashes": [
@@ -758,10 +784,10 @@
         },
         "rfc3986": {
             "hashes": [
-                "sha256:112398da31a3344dc25dbf477d8df6cb34f9278a94fee2625d89e4514be8bb9d",
-                "sha256:af9147e9aceda37c91a05f4deb128d4b4b49d6b199775fd2d2927768abdc8f50"
+                "sha256:270aaf10d87d0d4e095063c65bf3ddbc6ee3d0b226328ce21e036f946e421835",
+                "sha256:a86d6e1f5b1dc238b218b012df0aa79409667bb209e58da56d0b94704e712a97"
             ],
-            "version": "==1.4.0"
+            "version": "==1.5.0"
         },
         "secretstorage": {
             "hashes": [
@@ -773,11 +799,11 @@
         },
         "six": {
             "hashes": [
-                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
-                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
-            "version": "==1.15.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
         },
         "toml": {
             "hashes": [
@@ -789,11 +815,11 @@
         },
         "tqdm": {
             "hashes": [
-                "sha256:daec693491c52e9498632dfbe9ccfc4882a557f5fa08982db1b4d3adbe0887c3",
-                "sha256:ebdebdb95e3477ceea267decfc0784859aa3df3e27e22d23b83e9b272bf157ae"
+                "sha256:736524215c690621b06fc89d0310a49822d75e599fcd0feb7cc742b98d692493",
+                "sha256:cd5791b5d7c3f2f1819efc81d36eb719a38e0906a7380365c556779f585ea042"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==4.60.0"
+            "version": "==4.61.0"
         },
         "traitlets": {
             "hashes": [
@@ -848,19 +874,19 @@
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918",
-                "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c",
-                "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
+                "sha256:0ac0f89795dd19de6b97debb0c6af1c70987fd80a2d62d1958f7e56fcc31b497",
+                "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342",
+                "sha256:779383f6086d90c99ae41cf0ff39aac8a7937a9283ce0a414e5dd782f4c94a84"
             ],
-            "version": "==3.7.4.3"
+            "version": "==3.10.0.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df",
-                "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"
+                "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c",
+                "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.4"
+            "version": "==1.26.5"
         },
         "wcwidth": {
             "hashes": [
diff --git a/fuzzycat/__main__.py b/fuzzycat/__main__.py
index 43691e8..10c856d 100644
--- a/fuzzycat/__main__.py
+++ b/fuzzycat/__main__.py
@@ -60,7 +60,6 @@ import io
 import json
 import logging
 import pstats
-import random
 import sys
 import tempfile
 
diff --git a/fuzzycat/cluster.py b/fuzzycat/cluster.py
index d859507..4e70bdd 100644
--- a/fuzzycat/cluster.py
+++ b/fuzzycat/cluster.py
@@ -58,15 +58,12 @@ Features and integration.
 """
 
 import collections
-import fileinput
 import itertools
 import json
-import logging
 import multiprocessing
 import operator
 import os
 import re
-import string
 import subprocess
 import sys
 import tempfile
diff --git a/fuzzycat/grobid_unstructured.py b/fuzzycat/grobid_unstructured.py
index 4f09bce..79c39d3 100644
--- a/fuzzycat/grobid_unstructured.py
+++ b/fuzzycat/grobid_unstructured.py
@@ -11,7 +11,7 @@ TODO: more general versions which handle multiple reference strings in a batch?
 import io
 import sys
 import xml.etree.ElementTree as ET
-from typing import Any, Optional, Tuple
+from typing import Optional
 
 import requests
 from fatcat_openapi_client import ReleaseContrib, ReleaseEntity, ReleaseExtIds
diff --git a/fuzzycat/matching.py b/fuzzycat/matching.py
index 55a5833..683d859 100644
--- a/fuzzycat/matching.py
+++ b/fuzzycat/matching.py
@@ -7,7 +7,6 @@ import elasticsearch
 import elasticsearch_dsl
 import fatcat_openapi_client
 import requests
-from dynaconf import Dynaconf
 from fatcat_openapi_client import ContainerEntity, DefaultApi, ReleaseEntity
 from fatcat_openapi_client.rest import ApiException
 
@@ -64,7 +63,13 @@ def match_release_fuzzy(
         value = getattr(ext_ids, attr)
         if not value:
             continue
-        r = api.lookup_release(**{attr: value})
+        try:
+            r = api.lookup_release(**{attr: value})
+        except fatcat_openapi_client.rest.ApiException as err:
+            if err.status in [404, 400]:
+                r = None
+            else:
+                raise err
         if r:
             return [r]
 
diff --git a/fuzzycat/refs.py b/fuzzycat/refs.py
index e2c3043..828bf2f 100644
--- a/fuzzycat/refs.py
+++ b/fuzzycat/refs.py
@@ -1,12 +1,10 @@
 import collections
-import itertools
 import json
 import operator
 import sys
 
 from glom import PathAccessError, glom
 
-from fuzzycat.common import Reason, Status
 from fuzzycat.verify import verify
 
 
diff --git a/fuzzycat/utils.py b/fuzzycat/utils.py
index 8e1ffb0..d37ee32 100644
--- a/fuzzycat/utils.py
+++ b/fuzzycat/utils.py
@@ -1,5 +1,4 @@
 import collections
-import io
 import itertools
 import os
 import random
diff --git a/setup.py b/setup.py
index c41daaf..47a6482 100644
--- a/setup.py
+++ b/setup.py
@@ -37,6 +37,7 @@ with open("README.md", "r") as fh:
             "toml",
             "unidecode>=0.10",
             "zstandard",
+            "dynaconf>=1",
         ],
         extras_require={"dev": [
             "ipython",
diff --git a/tests/test_matching.py b/tests/test_matching.py
index 438a191..7ab7b11 100644
--- a/tests/test_matching.py
+++ b/tests/test_matching.py
@@ -4,7 +4,6 @@ import warnings
 import elasticsearch
 import pytest
 import requests
-from dynaconf import Dynaconf
 from fatcat_openapi_client import ReleaseEntity
 
 from fuzzycat.entities import entity_from_dict