Fix/filter exception

CHANGELOG.md

@@ -14,6 +14,7 @@ and **Merged pull requests**. Critical items to know are:
 Referenced versions in headers are tagged on Github, in parentheses are for pypi.
 
 ## [vxx](https://github.com/pydicom/deid/tree/master) (master)
+- Exception with missing filters for non-string VR [#256](https://github.com/pydicom/deid/issues/256) (0.3.23)
 - Allow filter tag names to be 0x-prefix hex numbers so private tags can be referenced in recipes [#253](https://github.com/pydicom/deid/issues/253) (0.3.22)
 - Fix incorrect coordinate definition for GE CT [#249](https://github.com/pydicom/deid/issues/249)
 - Circular import error [#247](https://github.com/pydicom/deid/issues/247) (0.3.21)

deid/dicom/filter.py

@@ -4,7 +4,7 @@
 
 import re
 
-from pydicom.dataset import Dataset
+from pydicom.dataset import DataElement, Dataset
 
 from deid.logger import bot
 
@@ -152,7 +152,7 @@ def empty(self, field):
         return len(content) == 0
 
     # This is the case of a data element
-    elif not isinstance(content, str):
+    elif isinstance(content, DataElement):
         content = content.value
 
     if content == "":

deid/version.py

@@ -2,7 +2,7 @@
 __copyright__ = "Copyright 2016-2023, Vanessa Sochat"
 __license__ = "MIT"
 
-__version__ = "0.3.22"
+__version__ = "0.3.23"
 AUTHOR = "Vanessa Sochat"
 AUTHOR_EMAIL = "[email protected]"
 NAME = "deid"