add missing import errors module

diff --git a/gitbuildsys/cmd_export.py b/gitbuildsys/cmd_export.py
index e06fa4c..9808356 100644 (file)
--- a/gitbuildsys/cmd_export.py
+++ b/gitbuildsys/cmd_export.py
@@ -26,6 +26,7 @@ import tempfile
 
 import msger
 import utils
+import errors
 
 from gbp.scripts.buildpackage_rpm import main as gbp_build
 from gbp.rpm.git import GitRepositoryError, RpmGitRepository