diff --git a/articles/keras-weight-transfer/frontend/yarn.lock b/articles/keras-weight-transfer/frontend/yarn.lock
index 814a046..83ce442 100644
--- a/articles/keras-weight-transfer/frontend/yarn.lock
+++ b/articles/keras-weight-transfer/frontend/yarn.lock
@@ -128,6 +128,10 @@
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@protobufjs/utf8/-/utf8-1.1.0.tgz#a777360b5b39a1a2e5106f8e858f2fd2d060c570"
 
+"@tootallnate/once@1":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.1.2.tgz#ccb91445360179a04e7fe6aff78c00ffc1eeaf82"
+
 "@types/long@^3.0.32":
   version "3.0.32"
   resolved "https://registry.yarnpkg.com/@types/long/-/long-3.0.32.tgz#f4e5af31e9e9b196d8e5fca8a5e2e20aa3d60b69"
@@ -171,6 +175,12 @@ acorn@^5.0.0, acorn@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.5.0.tgz#1abb587fbf051f94e3de20e6b26ef910b1828298"
 
+agent-base@6:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-6.0.2.tgz#49fff58577cfee3f37176feab4c22e00f86d7f77"
+  dependencies:
+    debug "4"
+
 ajv-keywords@^2.0.0, ajv-keywords@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
@@ -1085,8 +1095,8 @@ babylon@^6.17.3, babylon@^6.18.0:
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
 balanced-match@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
 
 base64-js@^1.0.2:
   version "1.2.3"
@@ -1554,12 +1564,14 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
 codecov@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.0.0.tgz#c273b8c4f12945723e8dc9d25803d89343e5f28e"
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.8.3.tgz#9c3e364b8a700c597346ae98418d09880a3fdbe7"
   dependencies:
     argv "0.0.2"
-    request "2.81.0"
-    urlgrey "0.4.4"
+    ignore-walk "3.0.4"
+    js-yaml "3.14.1"
+    teeny-request "7.1.1"
+    urlgrey "1.0.0"
 
 collection-visit@^1.0.0:
   version "1.0.0"
@@ -1860,6 +1872,12 @@ debug@2.6.9, debug@^2.0.0, debug@^2.1.0, debug@^2.2.0, debug@^2.3.3, debug@^2.6.
   dependencies:
     ms "2.0.0"
 
+debug@4:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
+  dependencies:
+    ms "2.1.2"
+
 debug@^3.0.1, debug@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
@@ -2450,9 +2468,9 @@ esprima@^1.0.3:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-1.2.5.tgz#0993502feaf668138325756f30f9a51feeec11e9"
 
-esprima@^4.0.0, esprima@~4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
 
 esprima@~1.0.2:
   version "1.0.4"
@@ -2462,6 +2480,10 @@ esprima@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-1.1.1.tgz#5b6f1547f4d102e670e140c509be6771d6aeb549"
 
+esprima@~4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
+
 esquery@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
@@ -2692,6 +2714,12 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
+fast-url-parser@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/fast-url-parser/-/fast-url-parser-1.1.3.tgz#f4af3ea9f34d8a271cf58ad2b3759f431f0b318d"
+  dependencies:
+    punycode "^1.3.2"
+
 faye-websocket@^0.10.0:
   version "0.10.0"
   resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.10.0.tgz#4e492f8d04dfb6f89003507f6edbf2d501e7c6f4"
@@ -3331,6 +3359,14 @@ http-parser-js@>=0.4.0:
   version "0.4.10"
   resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.4.10.tgz#92c9c1374c35085f75db359ec56cc257cbb93fa4"
 
+http-proxy-agent@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/http-proxy-agent/-/http-proxy-agent-4.0.1.tgz#8a8c8ef7f5932ccf953c296ca8291b95aa74aa3a"
+  dependencies:
+    "@tootallnate/once" "1"
+    agent-base "6"
+    debug "4"
+
 http-proxy-middleware@~0.17.4:
   version "0.17.4"
   resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-0.17.4.tgz#642e8848851d66f09d4f124912846dbaeb41b833"
@@ -3359,6 +3395,13 @@ https-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
 
+https-proxy-agent@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz#c59ef224a04fe8b754f3db0063a25ea30d0005d6"
+  dependencies:
+    agent-base "6"
+    debug "4"
+
 iconv-lite@0.4.19, iconv-lite@^0.4.17, iconv-lite@~0.4.13:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
@@ -3371,6 +3414,12 @@ iferr@^0.1.5:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
 
+ignore-walk@3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.4.tgz#c9a09f69b7c7b479a5d74ac1a3c0d4236d2a6335"
+  dependencies:
+    minimatch "^3.0.4"
+
 ignore@^3.3.3, ignore@^3.3.5:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
@@ -3779,9 +3828,9 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.9.1:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+js-yaml@3.14.1, js-yaml@^3.9.1:
+  version "3.14.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.1.tgz#dae812fdb3825fa306609a8717383c50c36a0537"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -3875,7 +3924,7 @@ jsx-ast-utils@^2.0.0, jsx-ast-utils@^2.0.1:
   dependencies:
     array-includes "^3.0.3"
 
-keras-js@^1.0.3:
+keras-js@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/keras-js/-/keras-js-1.0.3.tgz#8cb479b8ab0d4780b063017a3ca09f132b0ce719"
   dependencies:
@@ -4292,12 +4341,18 @@ minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
 
-"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
+"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
     brace-expansion "^1.1.7"
 
+minimatch@^3.0.4:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.1.2.tgz#19cd194bfd3e428f049a70817c038d89ab4be35b"
+  dependencies:
+    brace-expansion "^1.1.7"
+
 minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
@@ -4353,6 +4408,10 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+
 multicast-dns-service-types@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/multicast-dns-service-types/-/multicast-dns-service-types-1.1.0.tgz#899f11d9686e5e05cb91b35d5f0e63b773cfc901"
@@ -4525,6 +4584,12 @@ node-fetch@^1.0.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-fetch@^2.6.1:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  dependencies:
+    whatwg-url "^5.0.0"
+
 node-forge@0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.7.1.tgz#9da611ea08982f4b94206b3beb4cc9665f20c300"
@@ -5140,7 +5205,7 @@ punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
 
-punycode@^1.2.4, punycode@^1.4.1:
+punycode@^1.2.4, punycode@^1.3.2, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
@@ -5961,6 +6026,12 @@ stream-each@^1.1.0:
     end-of-stream "^1.1.0"
     stream-shift "^1.0.0"
 
+stream-events@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/stream-events/-/stream-events-1.0.5.tgz#bbc898ec4df33a4902d892333d47da9bf1c406d5"
+  dependencies:
+    stubs "^3.0.0"
+
 stream-http@^2.7.2:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.0.tgz#fd86546dac9b1c91aff8fc5d287b98fafb41bc10"
@@ -6059,6 +6130,10 @@ strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
 
+stubs@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/stubs/-/stubs-3.0.0.tgz#e8d2ba1fa9c90570303c030b6900f7d5f89abe5b"
+
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -6119,6 +6194,16 @@ tar@^2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
+teeny-request@7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/teeny-request/-/teeny-request-7.1.1.tgz#2b0d156f4a8ad81de44303302ba8d7f1f05e20e6"
+  dependencies:
+    http-proxy-agent "^4.0.0"
+    https-proxy-agent "^5.0.0"
+    node-fetch "^2.6.1"
+    stream-events "^1.0.5"
+    uuid "^8.0.0"
+
 temp@^0.8.1:
   version "0.8.3"
   resolved "https://registry.yarnpkg.com/temp/-/temp-0.8.3.tgz#e0c6bc4d26b903124410e4fed81103014dfc1f59"
@@ -6226,6 +6311,10 @@ tough-cookie@~2.3.0:
   dependencies:
     punycode "^1.4.1"
 
+tr46@~0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+
 trim-newlines@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
@@ -6429,9 +6518,11 @@ url@^0.11.0:
     punycode "1.3.2"
     querystring "0.2.0"
 
-urlgrey@0.4.4:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/urlgrey/-/urlgrey-0.4.4.tgz#892fe95960805e85519f1cd4389f2cb4cbb7652f"
+urlgrey@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/urlgrey/-/urlgrey-1.0.0.tgz#72d2f904482d0b602e3c7fa599343d699bbe1017"
+  dependencies:
+    fast-url-parser "^1.1.3"
 
 use@^2.0.0:
   version "2.0.2"
@@ -6478,6 +6569,10 @@ uuid@^3.0.0, uuid@^3.0.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
 
+uuid@^8.0.0:
+  version "8.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
+
 v8-compile-cache@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-1.1.2.tgz#8d32e4f16974654657e676e0e467a348e89b0dc4"
@@ -6551,6 +6646,10 @@ wbuf@^1.1.0, wbuf@^1.7.2:
   dependencies:
     minimalistic-assert "^1.0.0"
 
+webidl-conversions@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+
 webpack-addons@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/webpack-addons/-/webpack-addons-1.1.5.tgz#2b178dfe873fb6e75e40a819fa5c26e4a9bc837a"
@@ -6712,6 +6811,13 @@ whatwg-fetch@>=0.10.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
 
+whatwg-url@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
 which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"