diff --git a/volatility/framework/objects/utility.py b/volatility/framework/objects/utility.py
index b9df4fe10..62f1857be 100644
--- a/volatility/framework/objects/utility.py
+++ b/volatility/framework/objects/utility.py
@@ -55,11 +55,10 @@ def wintime_to_datetime(wintime: int) -> typing.Union[
     except ValueError:
         return renderers.UnparsableValue()
 
-def unixtime_to_datetime(unixtime: int) -> typing.Union[
-    interfaces.renderers.BaseAbsentValue, datetime.datetime]:
 
-    ret = renderers.UnparsableValue()
-    
+def unixtime_to_datetime(unixtime: int) -> typing.Union[interfaces.renderers.BaseAbsentValue, datetime.datetime]:
+    ret = renderers.UnparsableValue()  # type: typing.Union[interfaces.renderers.BaseAbsentValue, datetime.datetime]
+
     if unixtime > 0:
         try:
             ret = datetime.datetime.utcfromtimestamp(unixtime)
@@ -68,6 +67,7 @@ def unixtime_to_datetime(unixtime: int) -> typing.Union[
 
     return ret
 
+
 def round(addr: int, align: int, up: bool = False) -> int:
     """Round an address up or down based on an alignment.