remove yarn lock. just use npm

.travis.yml

@@ -7,7 +7,7 @@ python:
     - 3.7-dev
 install:
     - pip install -r requirements.txt -r requirements-dev.txt
-    - npm install
+    - npm ci
 script:
     - pytest --cov=.
 after_success:

README.markdown

@@ -43,7 +43,7 @@ pip or any python tools included in dependencies (honcho, flask...)
 
 ```
 $ pip install -r requirements.txt
-$ yarn || npm install
+$ npm ci
 ```
 
 Wow!! Exciting

yarn.lock

@@ -1,266 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-"@types/estree@0.0.39":
-  version "0.0.39"
-  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
-
-"@types/node@*":
-  version "9.6.5"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.6.5.tgz#ee700810fdf49ac1c399fc5980b7559b3e5a381d"
-
-arr-diff@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
-  dependencies:
-    arr-flatten "^1.0.1"
-
-arr-flatten@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
-
-array-unique@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
-
-braces@^1.8.2:
-  version "1.8.5"
-  resolved "https://registry.yarnpkg.com/braces/-/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
-  dependencies:
-    expand-range "^1.8.1"
-    preserve "^0.2.0"
-    repeat-element "^1.1.2"
-
-estree-walker@^0.5.2:
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.5.2.tgz#d3850be7529c9580d815600b53126515e146dd39"
-
-expand-brackets@^0.1.4:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
-  dependencies:
-    is-posix-bracket "^0.1.0"
-
-expand-range@^1.8.1:
-  version "1.8.2"
-  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
-  dependencies:
-    fill-range "^2.1.0"
-
-extglob@^0.3.1:
-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
-  dependencies:
-    is-extglob "^1.0.0"
-
-filename-regex@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
-
-fill-range@^2.1.0:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.3.tgz#50b77dfd7e469bc7492470963699fe7a8485a723"
-  dependencies:
-    is-number "^2.1.0"
-    isobject "^2.0.0"
-    randomatic "^1.1.3"
-    repeat-element "^1.1.2"
-    repeat-string "^1.5.2"
-
-for-in@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
-
-for-own@^0.1.4:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
-  dependencies:
-    for-in "^1.0.1"
-
-glob-base@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
-  dependencies:
-    glob-parent "^2.0.0"
-    is-glob "^2.0.0"
-
-glob-parent@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-2.0.0.tgz#81383d72db054fcccf5336daa902f182f6edbb28"
-  dependencies:
-    is-glob "^2.0.0"
-
-is-buffer@^1.1.5:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
-
-is-dotfile@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
-
-is-equal-shallow@^0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz#2238098fc221de0bcfa5d9eac4c45d638aa1c534"
-  dependencies:
-    is-primitive "^2.0.0"
-
-is-extendable@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
-
-is-extglob@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
-
-is-glob@^2.0.0, is-glob@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
-  dependencies:
-    is-extglob "^1.0.0"
-
-is-number@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
-  dependencies:
-    kind-of "^3.0.2"
-
-is-number@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/is-number/-/is-number-3.0.0.tgz#24fd6201a4782cf50561c810276afc7d12d71195"
-  dependencies:
-    kind-of "^3.0.2"
-
-is-posix-bracket@^0.1.0:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
-
-is-primitive@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
-
-isarray@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
-
-isobject@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
-  dependencies:
-    isarray "1.0.0"
-
-kind-of@^3.0.2:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
-  dependencies:
-    is-buffer "^1.1.5"
-
-kind-of@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-4.0.0.tgz#20813df3d712928b207378691a45066fae72dd57"
-  dependencies:
-    is-buffer "^1.1.5"
-
-micromatch@^2.3.11:
-  version "2.3.11"
-  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
-  dependencies:
-    arr-diff "^2.0.0"
-    array-unique "^0.2.1"
-    braces "^1.8.2"
-    expand-brackets "^0.1.4"
-    extglob "^0.3.1"
-    filename-regex "^2.0.0"
-    is-extglob "^1.0.0"
-    is-glob "^2.0.1"
-    kind-of "^3.0.2"
-    normalize-path "^2.0.1"
-    object.omit "^2.0.0"
-    parse-glob "^3.0.4"
-    regex-cache "^0.4.2"
-
-normalize-path@^2.0.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
-  dependencies:
-    remove-trailing-separator "^1.0.1"
-
-object.omit@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
-  dependencies:
-    for-own "^0.1.4"
-    is-extendable "^0.1.1"
-
-parse-glob@^3.0.4:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
-  dependencies:
-    glob-base "^0.3.0"
-    is-dotfile "^1.0.0"
-    is-extglob "^1.0.0"
-    is-glob "^2.0.0"
-
-preserve@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
-
-randomatic@^1.1.3:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
-  dependencies:
-    is-number "^3.0.0"
-    kind-of "^4.0.0"
-
-regex-cache@^0.4.2:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.3.tgz#9b1a6c35d4d0dfcef5711ae651e8e9d3d7114145"
-  dependencies:
-    is-equal-shallow "^0.1.3"
-    is-primitive "^2.0.0"
-
-remove-trailing-separator@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
-
-repeat-element@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.2.tgz#ef089a178d1483baae4d93eb98b4f9e4e11d990a"
-
-repeat-string@^1.5.2:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
-
-require-relative@^0.8.7:
-  version "0.8.7"
-  resolved "https://registry.yarnpkg.com/require-relative/-/require-relative-0.8.7.tgz#7999539fc9e047a37928fa196f8e1563dabd36de"
-
-rollup-plugin-svelte@^4.3.2:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-svelte/-/rollup-plugin-svelte-4.3.2.tgz#09cac792dbccadf352f5871bfda769aceaee5c02"
-  dependencies:
-    require-relative "^0.8.7"
-    rollup-pluginutils "^2.3.0"
-    sourcemap-codec "^1.4.1"
-
-rollup-pluginutils@^2.3.0:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.3.1.tgz#760d185ccc237dedc12d7ae48c6bcd127b4892d0"
-  dependencies:
-    estree-walker "^0.5.2"
-    micromatch "^2.3.11"
-
-rollup@^0.66.4:
-  version "0.66.4"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.66.4.tgz#8067b9638af82873b7fd644af9c3d72108ca4bab"
-  dependencies:
-    "@types/estree" "0.0.39"
-    "@types/node" "*"
-
-sourcemap-codec@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/sourcemap-codec/-/sourcemap-codec-1.4.1.tgz#c8fd92d91889e902a07aee392bdd2c5863958ba2"
-
-svelte@^2.13.5:
-  version "2.13.5"
-  resolved "https://registry.yarnpkg.com/svelte/-/svelte-2.13.5.tgz#23478480ed0f7d4da4816022d84a86512d503358"