[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

COPYING.md

@@ -58,5 +58,7 @@ change to one of the IPython repositories.
 With this in mind, the following banner should be used in any source code file
 to indicate the copyright and license terms:
 
-    # Copyright (c) IPython Development Team.
-    # Distributed under the terms of the Modified BSD License.
+```
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+```

README.md

@@ -65,12 +65,16 @@ the pre-commit hook should take care of how it should look.
 
 To install `pre-commit` locally, run the following::
 
-    pip install pre-commit
-    pre-commit install
+```
+pip install pre-commit
+pre-commit install
+```
 
 You can invoke the pre-commit hook by hand at any time with::
 
-    pre-commit run
+```
+pre-commit run
+```
 
 which should run any autoformatting on your code
 and tell you about any errors it couldn't fix automatically.

docs/readme-docs.md

@@ -7,39 +7,53 @@ is hosted on ReadTheDocs.
 
 #### Change directory to documentation root:
 
-    cd docs
+```
+cd docs
+```
 
 #### Create environment
 
-- [**conda**] Create conda env (and install relevant dependencies):
+- \[**conda**\] Create conda env (and install relevant dependencies):
 
-        conda env create -f environment.yml
+  ```
+    conda env create -f environment.yml
+  ```
 
-- [**pip**] Create virtual environment (and install relevant dependencies):
+- \[**pip**\] Create virtual environment (and install relevant dependencies):
 
-        virtualenv traitlets_docs -p python3
-        pip install -r requirements.txt
+  ```
+    virtualenv traitlets_docs -p python3
+    pip install -r requirements.txt
+  ```
 
 #### Activate the newly built environment `traitlets_docs`
 
-- [**conda**] Activate conda env:
+- \[**conda**\] Activate conda env:
 
-        source activate traitlets_docs
+  ```
+    source activate traitlets_docs
+  ```
 
-- [**pip**] The virtualenv should have been automatically activated. If
+- \[**pip**\] The virtualenv should have been automatically activated. If
   not:
 
-        source activate
+  ```
+    source activate
+  ```
 
 #### Build documentation using:
 
 - Makefile for Linux and OS X:
 
-        make html
+  ```
+    make html
+  ```
 
 - make.bat for Windows:
 
-        make.bat html
+  ```
+    make.bat html
+  ```
 
 #### Display the documentation locally
 
@@ -48,7 +62,9 @@ is hosted on ReadTheDocs.
 - Or alternatively you may run a local server to display
   the docs. In Python 3:
 
-        python -m http.server 8000
+  ```
+    python -m http.server 8000
+  ```
 
   In your browser, go to `http://localhost:8000`.