diff --git a/Pipfile.lock b/Pipfile.lock
index d6cdc97..af779f7 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -15,6 +15,13 @@
         ]
     },
     "default": {
+        "attrs": {
+            "hashes": [
+                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+            ],
+            "version": "==19.3.0"
+        },
         "boto3": {
             "hashes": [
                 "sha256:0556441f2cc5f8a84f57a5cb28ae5b23f9ddacc84aa5b4728e73e02cd9e21021",
@@ -24,17 +31,17 @@
         },
         "botocore": {
             "hashes": [
-                "sha256:b7868bcfddecd269e8f60e9c9b0079e2fa74bd21e0dae89fce70c012127ea4a0",
-                "sha256:e28316bcda7af32dc7273a3842678c38b2c5f80c48f5e9443d7fdd35b138ea9a"
+                "sha256:3baf129118575602ada9926f5166d82d02273c250d0feb313fc270944b27c48b",
+                "sha256:dc080aed4f9b220a9e916ca29ca97a9d37e8e1d296fe89cbaeef929bf0c8066b"
             ],
-            "version": "==1.12.28"
+            "version": "==1.12.253"
         },
         "certifi": {
             "hashes": [
-                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
-                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
             ],
-            "version": "==2018.10.15"
+            "version": "==2019.11.28"
         },
         "chardet": {
             "hashes": [
@@ -89,10 +96,10 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
-                "sha256:c39efa13fbdeb4506c476c9b3babf6a718da943dab7811c206005a4a956c080c"
+                "sha256:54c38050039232e1db4ad7375cfce6748d7b41c29e95a081c8a6d2c30364a2ce",
+                "sha256:5d19b92a3c8f7f101c8dd86afd86b0f061a8ce4540ab8cd401fa2542756bce6d"
             ],
-            "version": "==4.3.0"
+            "version": "==4.4.1"
         },
         "dj-database-url": {
             "hashes": [
@@ -103,10 +110,10 @@
         },
         "django": {
             "hashes": [
-                "sha256:acdcc1f61fdb0a0c82a1d3bf1879a414e7732ea894a7632af7f6d66ec7ab5bb3",
-                "sha256:efbcad7ebb47daafbcead109b38a5bd519a3c3cd92c6ed0f691ff97fcdd16b45"
+                "sha256:1a41831eace203fd1939edf899e07d7abd12ce9bafc3d9a5a63a24a8d1d12bd5",
+                "sha256:305b6c4fce9e03bb746e35780c2c4d52f29ea1669f15633cfd41bc8821c74c76"
             ],
-            "version": "==2.1.2"
+            "version": "==2.1.11"
         },
         "django-heroku": {
             "hashes": [
@@ -117,11 +124,11 @@
         },
         "docutils": {
             "hashes": [
-                "sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6",
-                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274",
-                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6"
+                "sha256:6c4f696463b79f1fb8ba0c594b63840ebd41f059e92b31957c46b74a4599b6d0",
+                "sha256:9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827",
+                "sha256:a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
             ],
-            "version": "==0.14"
+            "version": "==0.15.2"
         },
         "flask": {
             "hashes": [
@@ -152,10 +159,18 @@
         },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
             ],
-            "version": "==2.7"
+            "version": "==2.8"
+        },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:b044f07694ef14a6683b097ba56bd081dbc7cdc7c7fe46011e499dfecc082f21",
+                "sha256:e6ac600a142cf2db707b1998382cc7fc3b02befb7273876e01b8ad10b9652742"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==1.1.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -166,77 +181,113 @@
         },
         "itsdangerous": {
             "hashes": [
-                "sha256:a7de3201740a857380421ef286166134e10fe58846bcefbc9d6424a69a0b99ec",
-                "sha256:aca4fc561b7671115a2156f625f2eaa5e0e3527e0adf2870340e7968c0a81f85"
+                "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
+                "sha256:b12271b2047cb23eeb98c8b5622e2e5c5e9abd9784a153e9d8ef9cb4dd09d749"
             ],
-            "version": "==1.0.0"
+            "version": "==1.1.0"
         },
         "jinja2": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:74320bb91f31270f9551d46522e33af46a80c3d619f4a4bf42b3164d30b5911f",
+                "sha256:9fe95f19286cfefaa917656583d020be14e7859c6b0252588391e47db34527de"
             ],
-            "version": "==2.10"
+            "version": "==2.10.3"
         },
         "jmespath": {
             "hashes": [
-                "sha256:6a81d4c9aa62caf061cb517b4d9ad1dd300374cd4706997aff9cd6aedd61fc64",
-                "sha256:f11b4461f425740a1d908e9a3f7365c3d2e569f6ca68a2ff8bc5bcd9676edd63"
+                "sha256:3720a4b1bd659dd2eecad0666459b9788813e032b83e7ba58578e48254e0a0e6",
+                "sha256:bde2aef6f44302dfb30320115b17d030798de8c4110e28d5cf6cf91a7a31074c"
             ],
-            "version": "==0.9.3"
+            "version": "==0.9.4"
         },
         "jsonschema": {
             "hashes": [
-                "sha256:000e68abd33c972a5248544925a0cae7d1125f9bf6c58280d37546b946769a08",
-                "sha256:6ff5f3180870836cae40f06fa10419f557208175f13ad7bc26caa77beb1f6e02"
+                "sha256:4e5b3cf8216f577bee9ce139cbe72eca3ea4f292ec60928ff24758ce626cd163",
+                "sha256:c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a"
             ],
-            "version": "==2.6.0"
+            "version": "==3.2.0"
         },
         "jupyter-core": {
             "hashes": [
-                "sha256:927d713ffa616ea11972534411544589976b2493fc7e09ad946e010aa7eb9970",
-                "sha256:ba70754aa680300306c699790128f6fbd8c306ee5927976cbe48adacf240c0b7"
+                "sha256:464769f7387d7a62a2403d067f1ddc616655b7f77f5d810c0dd62cb54bfd0fb9",
+                "sha256:a183e0ec2e8f6adddf62b0a3fc6a2237e3e0056d381e536d3e7c7ecc3067e244"
             ],
-            "version": "==4.4.0"
+            "version": "==4.6.1"
         },
         "kiwisolver": {
             "hashes": [
-                "sha256:0ee4ed8b3ae8f5f712b0aa9ebd2858b5b232f1b9a96b0943dceb34df2a223bc3",
-                "sha256:0f7f532f3c94e99545a29f4c3f05637f4d2713e7fd91b4dd8abfc18340b86cd5",
-                "sha256:1a078f5dd7e99317098f0e0d490257fd0349d79363e8c923d5bb76428f318421",
-                "sha256:1aa0b55a0eb1bd3fa82e704f44fb8f16e26702af1a073cc5030eea399e617b56",
-                "sha256:2874060b91e131ceeff00574b7c2140749c9355817a4ed498e82a4ffa308ecbc",
-                "sha256:379d97783ba8d2934d52221c833407f20ca287b36d949b4bba6c75274bcf6363",
-                "sha256:3b791ddf2aefc56382aadc26ea5b352e86a2921e4e85c31c1f770f527eb06ce4",
-                "sha256:4329008a167fac233e398e8a600d1b91539dc33c5a3eadee84c0d4b04d4494fa",
-                "sha256:45813e0873bbb679334a161b28cb9606d9665e70561fd6caa8863e279b5e464b",
-                "sha256:53a5b27e6b5717bdc0125338a822605084054c80f382051fb945d2c0e6899a20",
-                "sha256:574f24b9805cb1c72d02b9f7749aa0cc0b81aa82571be5201aa1453190390ae5",
-                "sha256:66f82819ff47fa67a11540da96966fb9245504b7f496034f534b81cacf333861",
-                "sha256:79e5fe3ccd5144ae80777e12973027bd2f4f5e3ae8eb286cabe787bed9780138",
-                "sha256:83410258eb886f3456714eea4d4304db3a1fc8624623fc3f38a487ab36c0f653",
-                "sha256:8b6a7b596ce1d2a6d93c3562f1178ebd3b7bb445b3b0dd33b09f9255e312a965",
-                "sha256:9576cb63897fbfa69df60f994082c3f4b8e6adb49cccb60efb2a80a208e6f996",
-                "sha256:95a25d9f3449046ecbe9065be8f8380c03c56081bc5d41fe0fb964aaa30b2195",
-                "sha256:a424f048bebc4476620e77f3e4d1f282920cef9bc376ba16d0b8fe97eec87cde",
-                "sha256:aaec1cfd94f4f3e9a25e144d5b0ed1eb8a9596ec36d7318a504d813412563a85",
-                "sha256:acb673eecbae089ea3be3dcf75bfe45fc8d4dcdc951e27d8691887963cf421c7",
-                "sha256:b15bc8d2c2848a4a7c04f76c9b3dc3561e95d4dabc6b4f24bfabe5fd81a0b14f",
-                "sha256:b1c240d565e977d80c0083404c01e4d59c5772c977fae2c483f100567f50847b",
-                "sha256:c595693de998461bcd49b8d20568c8870b3209b8ea323b2a7b0ea86d85864694",
-                "sha256:ce3be5d520b4d2c3e5eeb4cd2ef62b9b9ab8ac6b6fedbaa0e39cdb6f50644278",
-                "sha256:e0f910f84b35c36a3513b96d816e6442ae138862257ae18a0019d2fc67b041dc",
-                "sha256:ea36e19ac0a483eea239320aef0bd40702404ff8c7e42179a2d9d36c5afcb55c",
-                "sha256:efabbcd4f406b532206b8801058c8bab9e79645b9880329253ae3322b7b02cd5",
-                "sha256:f923406e6b32c86309261b8195e24e18b6a8801df0cfc7814ac44017bfcb3939"
-            ],
-            "version": "==1.0.1"
+                "sha256:05b5b061e09f60f56244adc885c4a7867da25ca387376b02c1efc29cc16bcd0f",
+                "sha256:210d8c39d01758d76c2b9a693567e1657ec661229bc32eac30761fa79b2474b0",
+                "sha256:26f4fbd6f5e1dabff70a9ba0d2c4bd30761086454aa30dddc5b52764ee4852b7",
+                "sha256:3b15d56a9cd40c52d7ab763ff0bc700edbb4e1a298dc43715ecccd605002cf11",
+                "sha256:3b2378ad387f49cbb328205bda569b9f87288d6bc1bf4cd683c34523a2341efe",
+                "sha256:400599c0fe58d21522cae0e8b22318e09d9729451b17ee61ba8e1e7c0346565c",
+                "sha256:47b8cb81a7d18dbaf4fed6a61c3cecdb5adec7b4ac292bddb0d016d57e8507d5",
+                "sha256:53eaed412477c836e1b9522c19858a8557d6e595077830146182225613b11a75",
+                "sha256:58e626e1f7dfbb620d08d457325a4cdac65d1809680009f46bf41eaf74ad0187",
+                "sha256:5a52e1b006bfa5be04fe4debbcdd2688432a9af4b207a3f429c74ad625022641",
+                "sha256:5c7ca4e449ac9f99b3b9d4693debb1d6d237d1542dd6a56b3305fe8a9620f883",
+                "sha256:682e54f0ce8f45981878756d7203fd01e188cc6c8b2c5e2cf03675390b4534d5",
+                "sha256:76275ee077772c8dde04fb6c5bc24b91af1bb3e7f4816fd1852f1495a64dad93",
+                "sha256:79bfb2f0bd7cbf9ea256612c9523367e5ec51d7cd616ae20ca2c90f575d839a2",
+                "sha256:7f4dd50874177d2bb060d74769210f3bce1af87a8c7cf5b37d032ebf94f0aca3",
+                "sha256:8944a16020c07b682df861207b7e0efcd2f46c7488619cb55f65882279119389",
+                "sha256:8aa7009437640beb2768bfd06da049bad0df85f47ff18426261acecd1cf00897",
+                "sha256:9105ce82dcc32c73eb53a04c869b6a4bc756b43e4385f76ea7943e827f529e4d",
+                "sha256:933df612c453928f1c6faa9236161a1d999a26cd40abf1dc5d7ebbc6dbfb8fca",
+                "sha256:939f36f21a8c571686eb491acfffa9c7f1ac345087281b412d63ea39ca14ec4a",
+                "sha256:9491578147849b93e70d7c1d23cb1229458f71fc79c51d52dce0809b2ca44eea",
+                "sha256:9733b7f64bd9f807832d673355f79703f81f0b3e52bfce420fc00d8cb28c6a6c",
+                "sha256:a02f6c3e229d0b7220bd74600e9351e18bc0c361b05f29adae0d10599ae0e326",
+                "sha256:a0c0a9f06872330d0dd31b45607197caab3c22777600e88031bfe66799e70bb0",
+                "sha256:aa716b9122307c50686356cfb47bfbc66541868078d0c801341df31dca1232a9",
+                "sha256:acc4df99308111585121db217681f1ce0eecb48d3a828a2f9bbf9773f4937e9e",
+                "sha256:b64916959e4ae0ac78af7c3e8cef4becee0c0e9694ad477b4c6b3a536de6a544",
+                "sha256:d22702cadb86b6fcba0e6b907d9f84a312db9cd6934ee728144ce3018e715ee1",
+                "sha256:d3fcf0819dc3fea58be1fd1ca390851bdb719a549850e708ed858503ff25d995",
+                "sha256:d52e3b1868a4e8fd18b5cb15055c76820df514e26aa84cc02f593d99fef6707f",
+                "sha256:db1a5d3cc4ae943d674718d6c47d2d82488ddd94b93b9e12d24aabdbfe48caee",
+                "sha256:e3a21a720791712ed721c7b95d433e036134de6f18c77dbe96119eaf7aa08004",
+                "sha256:e8bf074363ce2babeb4764d94f8e65efd22e6a7c74860a4f05a6947afc020ff2",
+                "sha256:f16814a4a96dc04bf1da7d53ee8d5b1d6decfc1a92a63349bb15d37b6a263dd9",
+                "sha256:f2b22153870ca5cf2ab9c940d7bc38e8e9089fa0f7e5856ea195e1cf4ff43d5a",
+                "sha256:f790f8b3dff3d53453de6a7b7ddd173d2e020fb160baff578d578065b108a05f",
+                "sha256:fe51b79da0062f8e9d49ed0182a626a7dc7a0cbca0328f612c6ee5e4711c81e4"
+            ],
+            "version": "==1.1.0"
         },
         "markupsafe": {
             "hashes": [
-                "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
-            ],
-            "version": "==1.0"
+                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
+                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
+                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
+                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
+                "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
+                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
+                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
+                "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
+                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
+                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
+                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
+                "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
+                "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
+                "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
+                "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
+                "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
+                "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
+                "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
+                "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
+                "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
+                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
+                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
+                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
+                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
+                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
+                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
+                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"
+            ],
+            "version": "==1.1.1"
         },
         "matplotlib": {
             "hashes": [
@@ -256,6 +307,13 @@
             ],
             "version": "==3.0.0"
         },
+        "more-itertools": {
+            "hashes": [
+                "sha256:53ff73f186307d9c8ef17a9600309154a6ae27f25579e80af4db8f047ba14bc2",
+                "sha256:a0ea684c39bc4315ba7aae406596ef191fd84f873d2d2751f84d64e81a7a2d45"
+            ],
+            "version": "==8.0.0"
+        },
         "nbformat": {
             "hashes": [
                 "sha256:b9a0dbdbd45bb034f4f8893cafd6f652ea08c8c1674ba83f2dc55d3955743b0b",
@@ -298,28 +356,27 @@
         },
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@@ -330,60 +387,49 @@
         },
         "psycopg2": {
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-                "sha256:d29593d8ebe7b57d6967b62494f8c72b03ac0262b1eed63826c6f788b3606401"
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-            "version": "==2.2.2"
+            "version": "==2.4.5"
+        },
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+                "sha256:f3b280d030afb652f79d67c5586157c5c1355c9a58dfc7940566e28d28f3df1b"
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         "python-dateutil": {
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-                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
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             "markers": "python_version >= '2.7'",
-            "version": "==2.7.3"
+            "version": "==2.8.1"
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         "pytz": {
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-                "sha256:ffb9ef1de172603304d9d2819af6f5ece76f2e85ec10692a524dd876e72bf277"
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+                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
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-            "version": "==2018.5"
+            "version": "==2019.3"
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         "redis": {
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@@ -394,10 +440,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c",
-                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279"
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             ],
-            "version": "==2.20.0"
+            "version": "==2.22.0"
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@@ -424,10 +470,8 @@
                 "sha256:09cb373712d70866d9a9910ac0e861dfc83b4129aec2fa79a7815327a6ab262d",
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                 "sha256:5f2ad07a0d4d1d2ab91d2ba03b05fdc8b6ff598534218b2106d624ea81e82e6f",
@@ -436,11 +480,9 @@
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                 "sha256:c5820acaeced60c213f10125d73c8ee22702ce276e3f65636def4fd413fd63dd",
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@@ -493,10 +535,10 @@
         },
         "six": {
             "hashes": [
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-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
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-            "version": "==1.11.0"
+            "version": "==1.13.0"
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         "sklearn": {
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@@ -506,31 +548,39 @@
         },
         "traitlets": {
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+                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
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-            "version": "==4.3.2"
+            "version": "==4.3.3"
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-                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
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             ],
-            "version": "==1.23"
+            "markers": "python_version >= '3.4'",
+            "version": "==1.25.7"
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         "werkzeug": {
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-                "sha256:d5da73735293558eb1651ee2fddc4d0dedcfa06538b8813a2e20011583c9e49b"
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-            "version": "==0.14.1"
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-                "sha256:32b57d193478908a48acb66bf73e7a3c18679263e3e64bfebcfac1144a430039"
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-            "version": "==4.1"
+            "version": "==4.1.4"
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