Exception getting markers after a while in prod
When we get markers, after a few times we get an exception:

/site-packages/sqlalchemy/engine/base.py", line 1024, in _handle_dbapi_exception
2014-01-06T16:53:28.574712+00:00 app[web.1]:     exc_info
2014-01-06T16:53:28.574712+00:00 app[web.1]:     None, None)
2014-01-06T16:53:28.574712+00:00 app[web.1]:     conn = self._revalidate_connection()
2014-01-06T16:53:28.574990+00:00 app[web.1]:     "Can't reconnect until invalid "
2014-01-06T16:53:28.574990+00:00 app[web.1]: StatementError: Can't reconnect until invalid transaction is rolled back (original cause: InvalidRequestError: Can't reconnect until invalid transaction is rolled back) 'SELECT count(*) AS count_1 \\nFROM (SELECT markers.id AS markers_id, markers.user AS markers_user, markers.title AS markers_title, markers.description AS markers_description, markers.type AS markers_type, markers.subtype AS markers_subtype, markers.created AS markers_created, markers.latitude AS markers_latitude, markers.longitude AS markers_longitude, markers.address AS markers_address \\nFROM markers \\nWHERE markers.longitude <= %s AND markers.longitude >= %s AND markers.latitude <= %s AND markers.latitude >= %s) AS anon_1' [immutabledict({})]

<!---
@huboard:{"order":4.5}
-->

diff --git a/main.py b/main.py
index ffd083db..438126a8 100644
--- a/main.py
+++ b/main.py
@@ -11,6 +11,7 @@ from flask.ext.sqlalchemy import SQLAlchemy
 
 app = Flask(__name__)
 app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('CLEARDB_DATABASE_URL')
+app.config['SQLALCHEMY_POOL_RECYCLE'] = 60
 db = SQLAlchemy(app)
 
 app.secret_key = 'aiosdjsaodjoidjioewnioewfnoeijfoisdjf'
['main.py']