diff --git a/students/mgummel/lesson01/Pipfile.lock b/students/mgummel/lesson01/Pipfile.lock
index 98171c67..2ca3427f 100644
--- a/students/mgummel/lesson01/Pipfile.lock
+++ b/students/mgummel/lesson01/Pipfile.lock
@@ -18,17 +18,17 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:1d987a998c75633c40847cc966fcf5904906c920a7f17ef374f5aa4282abd304",
-                "sha256:51fcb31174be6e6664c5f69e3e1691a2d72a1a12e90f872cbdb1567eb47b6519"
+                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
+                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
             ],
-            "version": "==2020.4.5.1"
+            "version": "==2020.12.5"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "version": "==3.0.4"
+            "version": "==4.0.0"
         },
         "click": {
             "hashes": [
@@ -58,10 +58,10 @@
         },
         "idna": {
             "hashes": [
-                "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb",
-                "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "version": "==2.9"
+            "version": "==2.10"
         },
         "inventory": {
             "hashes": [
@@ -79,10 +79,11 @@
         },
         "jinja2": {
             "hashes": [
-                "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",
-                "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"
+                "sha256:03e47ad063331dd6a3f04a43eddca8a966a26ba0c5b7207a9a9e4e08f1b29419",
+                "sha256:a6d58433de0ae800347cab1fa3043cebbabe8baa9d29e668f1c768cb87a333c6"
             ],
-            "version": "==2.11.2"
+            "index": "pypi",
+            "version": "==2.11.3"
         },
         "markupsafe": {
             "hashes": [
@@ -91,8 +92,12 @@
                 "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
                 "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
                 "sha256:13d3144e1e340870b25e7b10b98d779608c02016d5184cfb9927a9f10c689f42",
+                "sha256:195d7d2c4fbb0ee8139a6cf67194f3973a6b3042d742ebe0a9ed36d8b6f0c07f",
+                "sha256:22c178a091fc6630d0d045bdb5992d2dfe14e3259760e713c490da5323866c39",
                 "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
                 "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
+                "sha256:2beec1e0de6924ea551859edb9e7679da6e4870d32cb766240ce17e0a0ba2014",
+                "sha256:3b8a6499709d29c2e2399569d96719a1b21dcd94410a586a18526b143ec8470f",
                 "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
                 "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
                 "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
@@ -101,24 +106,39 @@
                 "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
                 "sha256:6788b695d50a51edb699cb55e35487e430fa21f1ed838122d722e0ff0ac5ba15",
                 "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
+                "sha256:6f1e273a344928347c1290119b493a1f0303c52f5a5eae5f16d74f48c15d4a85",
+                "sha256:6fffc775d90dcc9aed1b89219549b329a9250d918fd0b8fa8d93d154918422e1",
                 "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
                 "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
                 "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
+                "sha256:7fed13866cf14bba33e7176717346713881f56d9d2bcebab207f7a036f41b850",
+                "sha256:84dee80c15f1b560d55bcfe6d47b27d070b4681c699c572af2e3c7cc90a3b8e0",
                 "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
                 "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
+                "sha256:98bae9582248d6cf62321dcb52aaf5d9adf0bad3b40582925ef7c7f0ed85fceb",
                 "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
                 "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
                 "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
+                "sha256:a6a744282b7718a2a62d2ed9d993cad6f5f585605ad352c11de459f4108df0a1",
+                "sha256:acf08ac40292838b3cbbb06cfe9b2cb9ec78fce8baca31ddb87aaac2e2dc3bc2",
                 "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
                 "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
                 "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
+                "sha256:b1dba4527182c95a0db8b6060cc98ac49b9e2f5e64320e2b56e47cb2831978c7",
                 "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:b7d644ddb4dbd407d31ffb699f1d140bc35478da613b441c582aeb7c43838dd8",
                 "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
+                "sha256:bf5aa3cbcfdf57fa2ee9cd1822c862ef23037f5c832ad09cfea57fa846dec193",
                 "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
+                "sha256:caabedc8323f1e93231b52fc32bdcde6db817623d33e100708d9a68e1f53b26b",
                 "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
                 "sha256:cdb132fc825c38e1aeec2c8aa9338310d29d337bebbd7baa06889d09a60a1fa2",
+                "sha256:d53bc011414228441014aa71dbec320c66468c1030aae3a6e29778a3382d96e5",
+                "sha256:d73a845f227b0bfe8a7455ee623525ee656a9e2e749e4742706d80a6065d5e2c",
+                "sha256:d9be0ba6c527163cbed5e0857c451fcd092ce83947944d6c14bc95441203f032",
                 "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7",
-                "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"
+                "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be",
+                "sha256:feb7b34d6325451ef96bc0e36e1a6c0c1c64bc1fbec4b854f4529e51887b1621"
             ],
             "version": "==1.1.1"
         },
@@ -131,28 +151,30 @@
         },
         "psycopg2": {
             "hashes": [
-                "sha256:132efc7ee46a763e68a815f4d26223d9c679953cd190f1f218187cb60decf535",
-                "sha256:2327bf42c1744a434ed8ed0bbaa9168cac7ee5a22a9001f6fc85c33b8a4a14b7",
-                "sha256:27c633f2d5db0fc27b51f1b08f410715b59fa3802987aec91aeb8f562724e95c",
-                "sha256:2c0afb40cfb4d53487ee2ebe128649028c9a78d2476d14a67781e45dc287f080",
-                "sha256:2df2bf1b87305bd95eb3ac666ee1f00a9c83d10927b8144e8e39644218f4cf81",
-                "sha256:440a3ea2c955e89321a138eb7582aa1d22fe286c7d65e26a2c5411af0a88ae72",
-                "sha256:6a471d4d2a6f14c97a882e8d3124869bc623f3df6177eefe02994ea41fd45b52",
-                "sha256:6b306dae53ec7f4f67a10942cf8ac85de930ea90e9903e2df4001f69b7833f7e",
-                "sha256:a0984ff49e176062fcdc8a5a2a670c9bb1704a2f69548bce8f8a7bad41c661bf",
-                "sha256:ac5b23d0199c012ad91ed1bbb971b7666da651c6371529b1be8cbe2a7bf3c3a9",
-                "sha256:acf56d564e443e3dea152efe972b1434058244298a94348fc518d6dd6a9fb0bb",
-                "sha256:d3b29d717d39d3580efd760a9a46a7418408acebbb784717c90d708c9ed5f055",
-                "sha256:f7d46240f7a1ae1dd95aab38bd74f7428d46531f69219954266d669da60c0818"
-            ],
-            "version": "==2.8.5"
+                "sha256:00195b5f6832dbf2876b8bf77f12bdce648224c89c880719c745b90515233301",
+                "sha256:068115e13c70dc5982dfc00c5d70437fe37c014c808acce119b5448361c03725",
+                "sha256:26e7fd115a6db75267b325de0fba089b911a4a12ebd3d0b5e7acb7028bc46821",
+                "sha256:2c93d4d16933fea5bbacbe1aaf8fa8c1348740b2e50b3735d1b0bf8154cbf0f3",
+                "sha256:56007a226b8e95aa980ada7abdea6b40b75ce62a433bd27cec7a8178d57f4051",
+                "sha256:56fee7f818d032f802b8eed81ef0c1232b8b42390df189cab9cfa87573fe52c5",
+                "sha256:6a3d9efb6f36f1fe6aa8dbb5af55e067db802502c55a9defa47c5a1dad41df84",
+                "sha256:a49833abfdede8985ba3f3ec641f771cca215479f41523e99dace96d5b8cce2a",
+                "sha256:ad2fe8a37be669082e61fb001c185ffb58867fdbb3e7a6b0b0d2ffe232353a3e",
+                "sha256:b8cae8b2f022efa1f011cc753adb9cbadfa5a184431d09b273fb49b4167561ad",
+                "sha256:d160744652e81c80627a909a0e808f3c6653a40af435744de037e3172cf277f5",
+                "sha256:d5062ae50b222da28253059880a871dc87e099c25cb68acf613d9d227413d6f7",
+                "sha256:f22ea9b67aea4f4a1718300908a2fb62b3e4276cf00bd829a97ab5894af42ea3",
+                "sha256:f974c96fca34ae9e4f49839ba6b78addf0346777b46c4da27a7bf54f48d3057d",
+                "sha256:fb23f6c71107c37fd667cb4ea363ddeb936b348bbd6449278eb92c189699f543"
+            ],
+            "version": "==2.8.6"
         },
         "requests": {
             "hashes": [
-                "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee",
-                "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"
+                "sha256:27973dd4a904a4f13b263a19c866c13b92a39ed1c964655f025f3f8d3d75b804",
+                "sha256:c210084e36a42ae6b9219e00e48287def368a26d03a048ddad7bfee44f75871e"
             ],
-            "version": "==2.23.0"
+            "version": "==2.25.1"
         },
         "requests-oauthlib": {
             "hashes": [
@@ -163,17 +185,17 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527",
-                "sha256:88206b0eb87e6d677d424843ac5209e3fb9d0190d0ee169599165ec25e9d9115"
+                "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df",
+                "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"
             ],
-            "version": "==1.25.9"
+            "version": "==1.26.4"
         },
         "waitress": {
             "hashes": [
-                "sha256:045b3efc3d97c93362173ab1dfc159b52cfa22b46c3334ffc805dbdbf0e4309e",
-                "sha256:77ff3f3226931a1d7d8624c5371de07c8e90c7e5d80c5cc660d72659aaf23f38"
+                "sha256:29af5a53e9fb4e158f525367678b50053808ca6c21ba585754c77d790008c746",
+                "sha256:69e1f242c7f80273490d3403c3976f3ac3b26e289856936d1f620ed48f321897"
             ],
-            "version": "==1.4.3"
+            "version": "==2.0.0"
         },
         "werkzeug": {
             "hashes": [