Update mse.py

mse.py

@@ -110,12 +110,11 @@ class StackExchange(datasets.GeneratorBasedBuilder):
         # This method handles input defined in _split_generators to yield (key, example) tuples from the dataset.
         # The `key` is here for legacy reason (tfds) and is not important in itself.
 
-        with open(filepath, encoding="utf-8") as f:
+        with open(filepath, 'rb') as f:
             dctx = zstandard.ZstdDecompressor()
-            i = 0
-            with dctx.stream_reader(f) as st:
-                with io.TextIOWrapper(st) as text_st:
-                    while (line:=text_st.readline()) != '':
-                        data = json.loads(line)
-                        yield i, data
+            with dctx.stream_reader(f) as ds:
+                with io.TextIOWrapper(ds) as s:
+                    i = 0
+                    while s.readable():
+                        yield i, json.loads(s.readline())
                         i += 1