2009-01-29 15:57:12 [NOTICE] mod_python.c:107 eval_some_python()
Invoking py module: callcontrol.routing.DummyRouteHandler
2009-01-29 15:57:12 [ERR] mod_python.c:121 eval_some_python() Error
importing module
Traceback (most recent call last):
 File
"/usr/local/freeswitch/python/callcontrol/routing/DummyRouteHandler.py",
line 19, in ?
   import sqlalchemy
 File "/usr/lib/python2.4/site-packages/sqlalchemy/__init__.py", line
8, in ?
   from sqlalchemy.types import \
 File "/usr/lib/python2.4/site-packages/sqlalchemy/types.py", line 25,
in ?
   import datetime as dt
ImportError: /usr/lib/python2.4/lib-dynload/datetime.so: undefined
symbol: _Py_ZeroStruct


Ahh, that looks like the "global symbol import" error. 

http://wiki.freeswitch.org/wiki/Mod_python#ImportError:_.2Fusr.2Flib.2F...2Fdatetime.so:_undefinedsymbol:__Py_ZeroStruct

Should be very easy to fix.. see the wiki page.