Prep for RC release (#685)

Author: rakatyal

CHANGES.md

@@ -3,6 +3,10 @@ twilio-python Changelog
 
 Here you can see the full list of changes between each twilio-python release.
 
+[2023-03-22] Version 8.0.0-rc.0
+---------------------------
+- Release Candidate prep
+
 [2022-12-14] Version 7.16.0
 ---------------------------
 **Library - Docs**

Makefile

@@ -19,8 +19,8 @@ develop: venv
 	. venv/bin/activate; pip install -r tests/requirements.txt
 
 analysis:
-	. venv/bin/activate; flake8 --ignore=E123,E126,E128,E501,W391,W291,W293,F401 tests
-	. venv/bin/activate; flake8 --ignore=E402,F401,W391,W291,W293 twilio --max-line-length=300
+	. venv/bin/activate; flake8 --ignore=E123,E126,E128,E501,W391,W291,W293,F401,W503,E203 tests
+	. venv/bin/activate; flake8 --ignore=E402,F401,W391,W291,W293,W503,E203 twilio --max-line-length=300
 
 test: analysis prettier-check
 	. venv/bin/activate; pytest tests --ignore=tests/cluster

README.md

@@ -51,6 +51,12 @@ source code") for `twilio-python`, and then run:
 
 You may need to run the above commands with `sudo`.
 
+### Installing Release Candidates
+
+Or, if you're wanting to install the latest release candidate use:
+
+    pip install twilio --pre
+
 ## Getting Started
 
 Getting started with the Twilio API couldn't be easier. Create a