Add check for None in datetime_equality

beda-software · Aug 28, 2023 · 37b4e9a · 37b4e9a
1 parent 33fad15
commit 37b4e9a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/fhirpathpy/engine/invocations/equality.py b/fhirpathpy/engine/invocations/equality.py
@@ -34,6 +34,8 @@ def equivalence(ctx, x, y):
 def datetime_equality(ctx, x, y):
     datetime_x = x[0]
     datetime_y = y[0]
+    if datetime_x is None or datetime_y is None:
+        return False
     if type(datetime_x) not in DATETIME_NODES_LIST:
         v_x = util.get_data(datetime_x)
         datetime_x = nodes.FP_DateTime(v_x) or nodes.FP_Time(v_x)