Fix arrow-py fuzzing harness

Author: ranok

projects/arrow-py/fuzz_tzinfo.py

@@ -29,7 +29,11 @@ def TestOneInput(data):
   try:
     c1 = arrow.parser.TzinfoParser()
     c1.parse(tzinfo_string)
-  except (arrow.parser.ParserError,):
+  except (arrow.parser.ParserError, ValueError):
+    # Some inputs may trigger ZoneInfo path validation which raises
+    # ValueError (e.g. empty or malformed zone path). Treat these as
+    # expected parse errors and ignore them to avoid false positives
+    # during check_build.
     pass