some date cells contain two dates, which is treated as a string

diff --git a/htsworkflow/submission/encoded.py b/htsworkflow/submission/encoded.py
index 6c30a59267538241b8c194b0fe4adeea949638b1..2e91a60506e3f3ccbaba37c28e6351c9fccf8b26 100644 (file)
--- a/htsworkflow/submission/encoded.py
+++ b/htsworkflow/submission/encoded.py
@@ -560,6 +560,8 @@ class TypedColumnParser(object):
     def parse_sheet_timestamp_type(value):
         """Helper function to parse :date columns in sheet
         """
+        if isinstance(value, str):
+            return value
         return value.strftime('%Y-%m-%d')
 
     @staticmethod