cleanup imports section and spacing in fpdb_db

pyfpdb/fpdb_db.py

@@ -21,19 +21,18 @@ import re
 import sys
 import logging
 from time import time, strftime
+from Exceptions import *
 
-use_pool = False
 try:
     import sqlalchemy.pool as pool
     use_pool = True
-except:
+except ImportError:
     logging.info("Not using sqlalchemy connection pool.")
+    use_pool = False
 
 
 import fpdb_simple
 import FpdbSQLQueries
-from Exceptions import *
-
 
 class fpdb_db:
     MYSQL_INNODB = 2