Minor fix for parsing empty D8

README.md

@@ -2,6 +2,14 @@ TigerShark is an X12 EDI message parser that can be tailored to
 a specific partner in the health care payment ecosystem.
 
 
+Version 0.3.5
+-------------
+
+Minor patch for converting zero-length strings to python values in `D8` elements (dates).
+Previous behavior raised a `ValueError` trying to convert `''` to a `datetime.date` - now returns `None`. 
+This now matches the existing functionality for `DR` elements (datetime values)
+
+
 Version 0.3.4
 -------------
 

tigershark/__init__.py

@@ -2,7 +2,7 @@
 TigerShark - An X12 EDI message parser.
 """
 __all__ = ['X12VersionTuple']
-__version__ = "0.3.4"
+__version__ = "0.3.5"
 __authors__ = [
     "Steven Buss <[email protected]>",
     "Steven Lott <[email protected]>",

tigershark/facade/__init__.py

@@ -1295,8 +1295,8 @@ def to_dict():
 
     @staticmethod
     def x12_to_python(raw):
-        if raw is None:
-            return raw
+        if raw is None or raw == "":
+            return None
 
         if len(raw) >= 8:
             year, month, day = int(raw[0:4]), int(raw[4:6]), int(raw[6:8])