On chromeos-server156.cbf (our sentinel):

From /var/log/rpc_flight_recorder/rpc_flight_recorder.log


Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/autotest/site_utils/rpc_flight_recorder.py", line 19, in <module>
    from autotest_lib.site_utils import server_manager_utils
  File "/usr/local/autotest/venv/autotest_lib/site_utils/server_manager_utils.py", line 21, in <module>
    from autotest_lib.frontend.server import models as server_models
  File "/usr/local/autotest/venv/autotest_lib/frontend/server/models.py", line 8, in <module>
    from django.db import models as dbmodels
  File "/usr/local/autotest/venv/autotest_lib/site-packages/django/db/__init__.py", line 40, in <module>
    backend = load_backend(connection.settings_dict['ENGINE'])
  File "/usr/local/autotest/venv/autotest_lib/site-packages/django/db/__init__.py", line 34, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "/usr/local/autotest/venv/autotest_lib/site-packages/django/db/utils.py", line 93, in __getitem__
    backend = load_backend(db['ENGINE'])
  File "/usr/local/autotest/venv/autotest_lib/site-packages/django/db/utils.py", line 27, in load_backend
    return import_module('.base', backend_name)
  File "/usr/local/autotest/venv/autotest_lib/site-packages/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/usr/local/autotest/venv/autotest_lib/frontend/db/backends/afe/base.py", line 1, in <module>
    from django.db.backends.mysql.base import DatabaseCreation as MySQLCreation
  File "/usr/local/autotest/venv/autotest_lib/site-packages/django/db/backends/mysql/base.py", line 17, in <module>
    raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb