Issue #29078: Add the missing import in datetime.time doc example.

Patch by Dhushyanth Ramasamy.

Doc/library/datetime.rst

@@ -1323,7 +1323,7 @@ Instance methods:
 
 Example:
 
-    >>> from datetime import time, tzinfo
+    >>> from datetime import time, tzinfo, timedelta
     >>> class GMT1(tzinfo):
     ...     def utcoffset(self, dt):
     ...         return timedelta(hours=1)

Misc/ACKS

@@ -1573,3 +1573,4 @@ Tarek Ziadé
 Jelle Zijlstra
 Gennadiy Zlobin
 Peter Åstrand
+Dhushyanth Ramasamy
\ No newline at end of file