commit a04b2854340ad0f69320aa1f1a42cfcfef53b3a9
Author: Pierre Riteau <pierre@stackhpc.com>
Date:   Wed Oct 14 18:33:07 2020 +0200

    Add missing space in error message
    
    Change-Id: I5080664506841e05c222c7efd213963f3aea336c

diff --git a/bifrost/inventory.py b/bifrost/inventory.py
index c2b9570..100fba4 100755
--- a/bifrost/inventory.py
+++ b/bifrost/inventory.py
@@ -278,7 +278,7 @@ def main():
     (groups, hostvars) = _prepare_inventory()
 
     if 'BIFROST_INVENTORY_SOURCE' not in os.environ:
-        LOG.error('Please define a BIFROST_INVENTORY_SOURCE environment'
+        LOG.error('Please define a BIFROST_INVENTORY_SOURCE environment '
                   'variable with a comma separated list of data sources')
         sys.exit(1)