diff options
Diffstat (limited to 'pyparsing.py')
| -rw-r--r-- | pyparsing.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pyparsing.py b/pyparsing.py index 975846c..89c48d9 100644 --- a/pyparsing.py +++ b/pyparsing.py @@ -2454,7 +2454,9 @@ class ParserElement(object): success = success and not failureTests if postParse is not None: try: - out.append(postParse(t, result)) + pp_value = postParse(t, result) + if pp_value is not None: + out.append(str(pp_value)) except Exception as e: out.append("{} failed: {}: {}".format(postParse.__name__, type(e).__name__, e)) except ParseBaseException as pe: |