Use pip install -e rather than setup.py develop.

Author: waylan

.spell-dict

@@ -27,7 +27,6 @@ CSS
 dedent
 deliminators
 deregister
-dependancies
 Dmitry
 docdata
 ElementTree

docs/contributing.md

@@ -281,7 +281,7 @@ working copy into the environment in [Development Mode] after activating the
 virtual environment for the first time:
 
 ```sh
-python setup.py develop
+pip install --editable .
 ```
 
 Now any saved changes will immediately be available within the virtual