fix generate examples

ukrainian-news.py

@@ -12,7 +12,6 @@ Ukrainian News Dataset
 This is a dataset of news articles downloaded from various Ukrainian websites. The dataset contains approximately 10 569 428 JSON objects (news)
 """
 
-_URL = "ukrainian-news-1.json"  # get first part of data 
 
 _URLS = [
     "ukrainian-news-1.json",
@@ -54,10 +53,11 @@ class UkrainianNews(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepath):
         """This function returns the examples in the raw (text) form."""
-
+        logger.info("generating examples from = %s", filepath)
         key = 0
-        with open(filepath, encoding="utf-8") as f:
-            news = json.load(f)
-            for article in news:
-                yield key, article
-                key += 1
+        for path in filepath:
+            with open(path, encoding="utf-8") as f:
+                news = json.load(f)
+                for article in news:
+                    yield key, article
+                    key += 1