updated readme, removed unnecessary lib import

README.md

@@ -7,3 +7,8 @@ By default, reports all jobs completed in last 24 hours.
 Parameters can be provided by the user to override the timeframe and a partial jobname to filter results.
 
 Based on a shell script for reporting Bacula jobs found here: http://www.revpol.com/baculasummaryemails
+
+Requires:
+* Python3
+* psycopg2 (Python PostgreSQL library)
+

bareosbackupreport.py

@@ -14,7 +14,6 @@
 
 import argparse
 import psycopg2
-import sys
 
 dbuser = "bareos"       # your Bareos database user
 db = "bareos"           # your Bareos database name