TimeEntry.UnmarshalYAML: Don't error if date empty string

The date is allowed to be empty in the config defaults hash. Don't error
if it is.

1 files changed, 1 insertions, 1 deletions

diff --git a/timetask/time_entry.go b/timetask/time_entry.go
index 32e2825..17a8e0c 100644
--- a/timetask/time_entry.go
+++ b/timetask/time_entry.go
@@ -34,7 +34,7 @@ func (te *TimeEntry) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	}
 
 	date, err := time.Parse("2006-01-02", auxiliary.Date)
-	if err != nil {
+	if auxiliary.Date != "" && err != nil {
 		return err
 	}