I am using Google App Engine and Google SQL Service, and would like to use the option

dev_appserver.py --mysql_user=username myapp

in order to use a local MySQL database for development purposes, and SQL Service in prod environment.

I have MySQLdb installed and working:

/usr/bin>>python
Python 2.7.2 (v2.7.2:8527427914a2, Jun 11 2011, 15:22:34) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import MySQLdb
>>>

However, when I run the dev_appserver command, I get the following error:

zipimporter('/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/MySQL_python-1.2.3-py2.7-macosx-10.6-intel.egg', 'MySQLdb/')
ERROR    2011-09-12 09:34:53,541 rdbms_mysqldb.py:90] The rdbms API is not available because the MySQLdb library could not be loaded.

I have verified that the MySQL_python-1.2.3-py2.7-macosx-10.6-intel.egg is in the location (/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/) and that it is accessible.

Any idea what might be causing this error?

Full stacktrace provided below for information:

/Users/eddieboyd>>dev_appserver.py --debug --mysql_user=mysql  eddiehelloworld
Warning: You are using a Python runtime (2.7) that is more recent than the production runtime environment (2.5). Your application may use features that are not available in the production environment and may not work correctly when deployed to production.
INFO     2011-09-12 09:34:53,290 appengine_rpc.py:159] Server: appengine.google.com
INFO     2011-09-12 09:34:53,304 appcfg.py:449] Checking for updates to the SDK.
DEBUG    2011-09-12 09:34:53,305 appengine_rpc.py:364] Sending HTTPS request:
POST /api/updatecheck?release=1.5.3&timestamp=1311108376&api_versions=%5B%271%27%5D HTTPS/1.1
Host: appengine.
mysql google-app-engine
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