remove earlier dict

Author: Lucas Lam

python/ray/data/datasource/partitioning.py

@@ -278,7 +278,7 @@ def _parse_hive_path(self, dir_path: str) -> Dict[str, str]:
         dictionary for unpartitioned files.
         """
         dirs = [d for d in dir_path.split("/") if d and (d.count("=") == 1)]
-        kv_pairs = dict([d.split("=") for d in dirs] if dirs else [])
+        kv_pairs = [d.split("=") for d in dirs] if dirs else []
         # url decode the partition values
         kv_pairs = [[pair[0], urllib.parse.unquote_plus(pair[1])] for pair in kv_pairs]