Merge pull request #2791 from TimPansino/develop

Update python agent release notes 6.4.2.159

src/content/docs/release-notes/agent-release-notes/python-release-notes/python-agent-60402159.mdx

@@ -10,17 +10,25 @@ downloadLink: 'https://pypi.python.org/pypi/newrelic'
 
 This release of the Python agent updates Sanic instrumentation to support all available versions.
 
-The agent can be installed using easy_install/pip/distribute via the [Python Package Index](https://pypi.python.org/pypi/newrelic) or can be downloaded directly from the New Relic [download site](http://download.newrelic.com/python_agent/release).
+Install the agent using `easy_install/pip/distribute` via the [Python Package Index](https://pypi.python.org/pypi/newrelic) or download it directly from the New Relic [download site](http://download.newrelic.com/python_agent/release).
 
 
 ## Improvements
 
 * **Sanic instrumentation updates**
 
-  The agent has updated support for all Sanic versions, with testing done on all versions >=18.12.0.
+  The agent has updated support for all Sanic versions, with testing done on all versions >=18.12.0. Additionally, blueprint middleware is now supported.
+
+* **Pyramid transaction naming**
+
+  Previously, transaction names from exception views overrode route names. We've reversed this priority to be more in line with other instrumentation.
 
 ## Bug Fixes
 
 * **Fix inspect.formatargspec deprecation warning**
 
   A deprecation warning concerning `inspect.formatargspec` has been fixed.
+
+* **HTTPX Crash**
+
+  Initializing the agent after creating an HTTPX client could cause a crash in HTTPX. This has been corrected.