Upgrade and remove python version requirement

Pipfile

@@ -11,6 +11,3 @@ pillow = "*"
 flask-cors = "*"
 gunicorn = "*"
 flask-caching = "*"
-
-[requires]
-python_version = "3.7"

Pipfile.lock

@@ -64,10 +64,10 @@
         },
         "jinja2": {
             "hashes": [
-                "sha256:065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013",
-                "sha256:14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"
+                "sha256:74320bb91f31270f9551d46522e33af46a80c3d619f4a4bf42b3164d30b5911f",
+                "sha256:9fe95f19286cfefaa917656583d020be14e7859c6b0252588391e47db34527de"
             ],
-            "version": "==2.10.1"
+            "version": "==2.10.3"
         },
         "markupsafe": {
             "hashes": [
@@ -104,35 +104,39 @@
         },
         "pillow": {
             "hashes": [
-                "sha256:0804f77cb1e9b6dbd37601cee11283bba39a8d44b9ddb053400c58e0c0d7d9de",
-                "sha256:0ab7c5b5d04691bcbd570658667dd1e21ca311c62dcfd315ad2255b1cd37f64f",
-                "sha256:0b3e6cf3ea1f8cecd625f1420b931c83ce74f00c29a0ff1ce4385f99900ac7c4",
-                "sha256:365c06a45712cd723ec16fa4ceb32ce46ad201eb7bbf6d3c16b063c72b61a3ed",
-                "sha256:38301fbc0af865baa4752ddae1bb3cbb24b3d8f221bf2850aad96b243306fa03",
-                "sha256:3aef1af1a91798536bbab35d70d35750bd2884f0832c88aeb2499aa2d1ed4992",
-                "sha256:3fe0ab49537d9330c9bba7f16a5f8b02da615b5c809cdf7124f356a0f182eccd",
-                "sha256:45a619d5c1915957449264c81c008934452e3fd3604e36809212300b2a4dab68",
-                "sha256:49f90f147883a0c3778fd29d3eb169d56416f25758d0f66775db9184debc8010",
-                "sha256:571b5a758baf1cb6a04233fb23d6cf1ca60b31f9f641b1700bfaab1194020555",
-                "sha256:5ac381e8b1259925287ccc5a87d9cf6322a2dc88ae28a97fe3e196385288413f",
-                "sha256:6153db744a743c0c8c91b8e3b9d40e0b13a5d31dbf8a12748c6d9bfd3ddc01ad",
-                "sha256:6fd63afd14a16f5d6b408f623cc2142917a1f92855f0df997e09a49f0341be8a",
-                "sha256:70acbcaba2a638923c2d337e0edea210505708d7859b87c2bd81e8f9902ae826",
-                "sha256:70b1594d56ed32d56ed21a7fbb2a5c6fd7446cdb7b21e749c9791eac3a64d9e4",
-                "sha256:76638865c83b1bb33bcac2a61ce4d13c17dba2204969dedb9ab60ef62bede686",
-                "sha256:7b2ec162c87fc496aa568258ac88631a2ce0acfe681a9af40842fc55deaedc99",
-                "sha256:7cee2cef07c8d76894ebefc54e4bb707dfc7f258ad155bd61d87f6cd487a70ff",
-                "sha256:7d16d4498f8b374fc625c4037742fbdd7f9ac383fd50b06f4df00c81ef60e829",
-                "sha256:b50bc1780681b127e28f0075dfb81d6135c3a293e0c1d0211133c75e2179b6c0",
-                "sha256:bd0582f831ad5bcad6ca001deba4568573a4675437db17c4031939156ff339fa",
-                "sha256:cfd40d8a4b59f7567620410f966bb1f32dc555b2b19f82a91b147fac296f645c",
-                "sha256:e3ae410089de680e8f84c68b755b42bc42c0ceb8c03dbea88a5099747091d38e",
-                "sha256:e9046e559c299b395b39ac7dbf16005308821c2f24a63cae2ab173bd6aa11616",
-                "sha256:ef6be704ae2bc8ad0ebc5cb850ee9139493b0fc4e81abcc240fb392a63ebc808",
-                "sha256:f8dc19d92896558f9c4317ee365729ead9d7bbcf2052a9a19a3ef17abbb8ac5b"
+                "sha256:047d9473cf68af50ac85f8ee5d5f21a60f849bc17d348da7fc85711287a75031",
+                "sha256:0f66dc6c8a3cc319561a633b6aa82c44107f12594643efa37210d8c924fc1c71",
+                "sha256:12c9169c4e8fe0a7329e8658c7e488001f6b4c8e88740e76292c2b857af2e94c",
+                "sha256:248cffc168896982f125f5c13e9317c059f74fffdb4152893339f3be62a01340",
+                "sha256:27faf0552bf8c260a5cee21a76e031acaea68babb64daf7e8f2e2540745082aa",
+                "sha256:285edafad9bc60d96978ed24d77cdc0b91dace88e5da8c548ba5937c425bca8b",
+                "sha256:384b12c9aa8ef95558abdcb50aada56d74bc7cc131dd62d28c2d0e4d3aadd573",
+                "sha256:38950b3a707f6cef09cd3cbb142474357ad1a985ceb44d921bdf7b4647b3e13e",
+                "sha256:4aad1b88933fd6dc2846552b89ad0c74ddbba2f0884e2c162aa368374bf5abab",
+                "sha256:4ac6148008c169603070c092e81f88738f1a0c511e07bd2bb0f9ef542d375da9",
+                "sha256:4deb1d2a45861ae6f0b12ea0a786a03d19d29edcc7e05775b85ec2877cb54c5e",
+                "sha256:59aa2c124df72cc75ed72c8d6005c442d4685691a30c55321e00ed915ad1a291",
+                "sha256:5a47d2123a9ec86660fe0e8d0ebf0aa6bc6a17edc63f338b73ea20ba11713f12",
+                "sha256:5cc901c2ab9409b4b7ac7b5bcc3e86ac14548627062463da0af3b6b7c555a871",
+                "sha256:6c1db03e8dff7b9f955a0fb9907eb9ca5da75b5ce056c0c93d33100a35050281",
+                "sha256:7ce80c0a65a6ea90ef9c1f63c8593fcd2929448613fc8da0adf3e6bfad669d08",
+                "sha256:809c19241c14433c5d6135e1b6c72da4e3b56d5c865ad5736ab99af8896b8f41",
+                "sha256:83792cb4e0b5af480588601467c0764242b9a483caea71ef12d22a0d0d6bdce2",
+                "sha256:846fa202bd7ee0f6215c897a1d33238ef071b50766339186687bd9b7a6d26ac5",
+                "sha256:9f5529fc02009f96ba95bea48870173426879dc19eec49ca8e08cd63ecd82ddb",
+                "sha256:a423c2ea001c6265ed28700df056f75e26215fd28c001e93ef4380b0f05f9547",
+                "sha256:ac4428094b42907aba5879c7c000d01c8278d451a3b7cccd2103e21f6397ea75",
+                "sha256:b1ae48d87f10d1384e5beecd169c77502fcc04a2c00a4c02b85f0a94b419e5f9",
+                "sha256:bf4e972a88f8841d8fdc6db1a75e0f8d763e66e3754b03006cbc3854d89f1cb1",
+                "sha256:c6414f6aad598364aaf81068cabb077894eb88fed99c6a65e6e8217bab62ae7a",
+                "sha256:c710fcb7ee32f67baf25aa9ffede4795fd5d93b163ce95fdc724383e38c9df96",
+                "sha256:c7be4b8a09852291c3c48d3c25d1b876d2494a0a674980089ac9d5e0d78bd132",
+                "sha256:c9e5ffb910b14f090ac9c38599063e354887a5f6d7e6d26795e916b4514f2c1a",
+                "sha256:e0697b826da6c2472bb6488db4c0a7fa8af0d52fa08833ceb3681358914b14e5",
+                "sha256:e9a3edd5f714229d41057d56ac0f39ad9bdba6767e8c888c951869f0bdd129b0"
             ],
             "index": "pypi",
-            "version": "==6.1.0"
+            "version": "==6.2.1"
         },
         "six": {
             "hashes": [
@@ -143,10 +147,10 @@
         },
         "werkzeug": {
             "hashes": [
-                "sha256:87ae4e5b5366da2347eb3116c0e6c681a0e939a33b2805e2c0cbd282664932c4",
-                "sha256:a13b74dd3c45f758d4ebdb224be8f1ab8ef58b3c0ffc1783a8c7d9f4f50227e6"
+                "sha256:7280924747b5733b246fe23972186c6b348f9ae29724135a6dfc1e53cea433e7",
+                "sha256:e5f4a1f98b52b18a93da705a7458e55afb26f32bff83ff5d19189f92462d65c4"
             ],
-            "version": "==0.15.5"
+            "version": "==0.16.0"
         }
     },
     "develop": {}