chore: fix spelling, grammar and fix whitespace

.circleci/config.yml

@@ -55,7 +55,7 @@ jobs:
       - save_cache:
           key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
           paths:
-              - venv
+            - venv
       - run:
           name: 🌸 Python & JS Lint
           command: |
@@ -71,26 +71,26 @@ jobs:
             npm run citest.unit
 
   lint-unit-36:
-      <<: *lint-unit
-      docker:
-        - image: circleci/python:3.6.12-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PYLINTRC: .pylintrc
-            PYVERSION: python36
+    <<: *lint-unit
+    docker:
+      - image: circleci/python:3.6.12-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PYLINTRC: .pylintrc
+          PYVERSION: python36
 
   lint-unit-27:
-      <<: *lint-unit
-      docker:
-        - image: circleci/python:2.7.18-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PYLINTRC: .pylintrc
-            PYVERSION: python27
+    <<: *lint-unit
+    docker:
+      - image: circleci/python:2.7.18-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PYLINTRC: .pylintrc
+          PYVERSION: python27
 
   build-core-37: &build-core
     working_directory: ~/dash
@@ -107,7 +107,7 @@ jobs:
       - restore_cache:
           key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
       - run:
-          name: ️️🏗️ pip dev requirements
+          name: ️🏗️ pip dev requirements
           command: |
             sudo pip install --upgrade virtualenv
             python -m venv venv || virtualenv venv && . venv/bin/activate
@@ -116,39 +116,39 @@ jobs:
       - save_cache:
           key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
           paths:
-              - venv
+            - venv
       - run:
           name: ️️🏗️ build core
           command: |
-              . venv/bin/activate && pip install --no-cache-dir --upgrade -e . --progress-bar off && mkdir packages
-              cd dash-renderer && renderer build && python setup.py sdist && mv dist/* ../packages/ && cd ..
-              git clone --depth 1 https://github.com/plotly/dash-core-components.git
-              cd dash-core-components && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/  && cd ..
-              ls -la packages
+            . venv/bin/activate && pip install --no-cache-dir --upgrade -e . --progress-bar off && mkdir packages
+            cd dash-renderer && renderer build && python setup.py sdist && mv dist/* ../packages/ && cd ..
+            git clone --depth 1 https://github.com/plotly/dash-core-components.git
+            cd dash-core-components && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/  && cd ..
+            ls -la packages
       - persist_to_workspace:
           root: ~/dash
           paths:
             - packages/*.tar.gz
 
   build-core-36:
-      <<: *build-core
-      docker:
-        - image: circleci/python:3.6.12-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PYVERSION: python36
+    <<: *build-core
+    docker:
+      - image: circleci/python:3.6.12-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PYVERSION: python36
 
   build-core-27:
-      <<: *build-core
-      docker:
-        - image: circleci/python:2.7.18-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PYVERSION: python27
+    <<: *build-core
+    docker:
+      - image: circleci/python:2.7.18-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PYVERSION: python27
 
   build-misc-37: &build-misc
     working_directory: ~/dash
@@ -174,40 +174,40 @@ jobs:
       - save_cache:
           key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
           paths:
-              - venv
+            - venv
       - run:
           name: ️️🏗️ build misc
           command: |
-              . venv/bin/activate && pip install --no-cache-dir --upgrade -e . --progress-bar off && mkdir packages
-              git clone --depth 1 https://github.com/plotly/dash-table.git
-              cd dash-table && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/ && cd ..
-              git clone --depth 1 https://github.com/plotly/dash-html-components.git
-              cd dash-html-components && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/ && cd ..
-              ls -la packages
+            . venv/bin/activate && pip install --no-cache-dir --upgrade -e . --progress-bar off && mkdir packages
+            git clone --depth 1 https://github.com/plotly/dash-table.git
+            cd dash-table && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/ && cd ..
+            git clone --depth 1 https://github.com/plotly/dash-html-components.git
+            cd dash-html-components && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/ && cd ..
+            ls -la packages
       - persist_to_workspace:
           root: ~/dash
           paths:
             - packages/*.tar.gz
 
   build-misc-36:
-      <<: *build-misc
-      docker:
-        - image: circleci/python:3.6.12-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PYVERSION: python36
+    <<: *build-misc
+    docker:
+      - image: circleci/python:3.6.12-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PYVERSION: python36
 
   build-misc-27:
-      <<: *build-misc
-      docker:
-        - image: circleci/python:2.7.18-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PYVERSION: python27
+    <<: *build-misc
+    docker:
+      - image: circleci/python:2.7.18-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PYVERSION: python27
 
   build-windows-37:
     working_directory: ~/dash
@@ -222,10 +222,10 @@ jobs:
       - run:
           name: ️️🏗️ build core
           command: |
-              pip install --no-cache-dir --upgrade -e .[dev,testing] --progress-bar off
-              cd dash-renderer && renderer build && python setup.py sdist && mv dist/* ../packages/ && cd ..
-              git clone --depth 1 https://github.com/plotly/dash-core-components.git
-              cd dash-core-components && npm ci && npm run build && python setup.py sdist && cd ..
+            pip install --no-cache-dir --upgrade -e .[dev,testing] --progress-bar off
+            cd dash-renderer && renderer build && python setup.py sdist && mv dist/* ../packages/ && cd ..
+            git clone --depth 1 https://github.com/plotly/dash-core-components.git
+            cd dash-core-components && npm ci && npm run build && python setup.py sdist && cd ..
 
   build-dashr:
     working_directory: ~/dashr
@@ -241,9 +241,8 @@ jobs:
 
     steps:
       - checkout
-
       - run:
-          name: ️️🏭 clone and npm build core for R
+          name: 🏭 clone and npm build core for R
           command: |
             python -m venv venv
             . venv/bin/activate
@@ -259,7 +258,7 @@ jobs:
             cd ../dash-table; npm ci && npm run build; rm -rf !(.|..|DESCRIPTION|LICENSE.txt|LICENSE|NAMESPACE|.Rbuildignore|R|man|inst|vignettes|build); cd ..
 
       - run:
-          name: 🔧fix up dash metadata
+          name: 🔧 fix up dash metadata
           command: |
             sudo Rscript dashR/tests/circleci/fixup_metadata.R
 
@@ -282,7 +281,7 @@ jobs:
               >> ${BASH_ENV}
 
       - run:
-          name: ️️📋 run CRAN package checks
+          name: ️📋 run CRAN package checks
           command: |
             R CMD build dash-core-components
             R CMD build dash-html-components
@@ -331,7 +330,6 @@ jobs:
           path: test-reports
       - store_artifacts:
           path: /tmp/dash_artifacts
-
       - run:
           name: 🦔 percy finalize
           command: npx percy finalize --all
@@ -358,7 +356,7 @@ jobs:
       - attach_workspace:
           at: ~/dash
       - run:
-          name: ️️🏗️  Install packages
+          name: ️️🏗️ Install packages
           command: |
             . venv/bin/activate
             npm install --production
@@ -384,26 +382,26 @@ jobs:
           when: on_fail
 
   test-36:
-      <<: *test
-      docker:
-        - image: circleci/python:3.6.12-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PERCY_ENABLE: 0
-            PYVERSION: python36
+    <<: *test
+    docker:
+      - image: circleci/python:3.6.12-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PERCY_ENABLE: 0
+          PYVERSION: python36
 
   test-27:
-      <<: *test
-      docker:
-        - image: circleci/python:2.7.18-stretch-node-browsers
-          auth:
-            username: dashautomation
-            password: $DASH_PAT_DOCKERHUB
-          environment:
-            PERCY_ENABLE: 0
-            PYVERSION: python27
+    <<: *test
+    docker:
+      - image: circleci/python:2.7.18-stretch-node-browsers
+        auth:
+          username: dashautomation
+          password: $DASH_PAT_DOCKERHUB
+        environment:
+          PERCY_ENABLE: 0
+          PYVERSION: python27
 
 workflows:
   version: 2

.github/ISSUE_TEMPLATE/bug_report.md

@@ -13,7 +13,7 @@ We do our best to catch bugs during the release process, but we rely on your hel
 
 
 **Describe your context**
-Please provide us your environment so we can easily reproduce the issue.
+Please provide us your environment, so we can easily reproduce the issue.
 
 -  replace the result of `pip list | grep dash` below
 ```

.github/pull_request_template.md

@@ -13,4 +13,4 @@
 - [ ] I have added entry in the `CHANGELOG.md`
 - [ ] If this PR needs a follow-up in **dash docs**, **community thread**, I have mentioned the relevant URLS as follows
     -  [ ] this GitHub [#PR number]() updates the dash docs
-    -  [ ] here is the show and tell thread in Plotly Dash community 
+    -  [ ] here is the show and tell thread in Plotly Dash community

CHANGELOG.md

@@ -5,7 +5,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## UNRELEASED
 
 ### Changed
-- [#1531](https://github.com/plotly/dash/pull/1531) Update the format of the docstrings to make them easier to read in the reference pages of Dash Docs and in the console.  This also addresses [#1205](https://github.com/plotly/dash/issues/1205)
+- [#1531](https://github.com/plotly/dash/pull/1531) Update the format of the docstrings to make them easier to read in the reference pages of Dash Docs and in the console. This also addresses [#1205](https://github.com/plotly/dash/issues/1205)
 - [#1553](https://github.com/plotly/dash/pull/1553) Increase the z-index of the Dash error menu from 1001 to 1100 in order to make sure it appears above Bootstrap components.
 
 ### Fixed
@@ -24,7 +24,7 @@ to close the error messages box.
 
 ### Fixed
 - [#1530](https://github.com/plotly/dash/pull/1530) Dedent error messages more carefully.
-- [#1527](https://github.com/plotly/dash/issues/1527)🐛 `get_asset_url` now pulls from an external source if `assets_external_path` is set.
+- [#1527](https://github.com/plotly/dash/issues/1527) 🐛 `get_asset_url` now pulls from an external source if `assets_external_path` is set.
   - updated `_add_assets_resource` to build asset urls the same way as `get_asset_url`.
   - updated doc string for `assets_external_path` Dash argument to be more clear that it will allways be joined with the `assets_url_path` argument when determining the url to an external asset.
 - [#1493](https://github.com/plotly/dash/pull/1493) Fix [#1143](https://github.com/plotly/dash/issues/1143), a bug where having a file with one of several common names (test.py, code.py, org.py, etc) that imports a dash component package would make `import dash` fail with a cryptic error message asking whether you have a file named "dash.py"
@@ -359,7 +359,7 @@ clientside JavaScript callbacks via inline strings.
 
 - [#724](https://github.com/plotly/dash/pull/724), [renderer#175](https://github.com/plotly/dash-renderer/pull/175) Undo/redo toolbar is removed by default, you can enable it with `app=Dash(show_undo_redo=true)`. The CSS hack `._dash-undo-redo:{display:none;}` is no longer needed
 
-- 💥[#709](https://github.com/plotly/dash/pull/709) Merge the `dash-renderer` project into the main dash repo to simplify feature dev workflow. We will keep the [deprecated one](https://github.com/plotly/dash-renderer) for archive purpose.
+- 💥 [#709](https://github.com/plotly/dash/pull/709) Merge the `dash-renderer` project into the main dash repo to simplify feature dev workflow. We will keep the [deprecated one](https://github.com/plotly/dash-renderer) for archive purpose.
 
 ## [0.43.0] - 2019-05-15
 ### Changed

CONTRIBUTING.md

@@ -32,7 +32,7 @@ $ pip list | grep dash
 
 ### Dash-Renderer Beginner Guide
 
-`Dash Renderer` began as a separate repository. It was merged into the main  `Dash` repository as part of the 1.0 release. It is the common frontend for all Dash backends (**R** and **Python**), and manages React Component layout and backend event handling.
+`Dash Renderer` began as a separate repository. It was merged into the main `Dash` repository as part of the 1.0 release. It is the common frontend for all Dash backends (**R** and **Python**), and manages React Component layout and backend event handling.
 
 If you want to contribute or simply dig deeper into Dash, we encourage you to play and taste it. This is the most efficient way to learn and understand everything under the hood.
 

dash-renderer/src/components/error/CallbackGraph/CallbackGraphEffects.js

@@ -35,7 +35,7 @@ export function updateSelectedNode(cy, id) {
         node.addClass('selected-node');
 
         // Find the subtree that the node belongs to. A subtree contains
-        // all all ancestors and descendents that are connected via Inputs
+        // all all ancestors and descendants that are connected via Inputs
         // or Outputs (but not State).
 
         // WARNING: No cycle detection!

dash/renovate.json

@@ -7,17 +7,17 @@
     "enabled": true
   },
   "pip_requirements": {
-    "fileMatch": ["requirements.txt", "dev-requirements.txt", "dev-requirements-py37.txt"] 
+    "fileMatch": ["requirements.txt", "dev-requirements.txt", "dev-requirements-py37.txt"]
   },
   "pip_setup": {
-    "enabled": true 
+    "enabled": true
   },
   "packageRules": [{
     "packageNames": [
       "pylint"
     ],
     "paths": [
-      "dev-requirements.txt" 
+      "dev-requirements.txt"
     ],
     "allowedVersions": "<2.0.0"
   }]

tests/integration/callbacks/test_prevent_update.py

@@ -87,7 +87,7 @@ def test_cbpu002_multi_output_no_update(dash_duo):
         [Input("btn", "n_clicks")],
     )
     def show_clicks(n):
-        # partial or complete cancelation of updates via no_update
+        # partial or complete cancellation of updates via no_update
         return [
             no_update if n and n > 4 else n,
             no_update if n and n > 2 else n,