remove __index_level_0__ column

README.md

@@ -7,17 +7,15 @@ dataset_info:
     dtype: int64
   - name: label_text
     dtype: string
-  - name: __index_level_0__
-    dtype: int64
   splits:
   - name: train
-    num_bytes: 1814608
+    num_bytes: 1800432
     num_examples: 1772
   - name: test
-    num_bytes: 440994
+    num_bytes: 437442
     num_examples: 444
-  download_size: 1311625
-  dataset_size: 2255602
+  download_size: 1297505
+  dataset_size: 2237874
 configs:
 - config_name: default
   data_files:

data/test-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a806a07b1bd459fb45e30641b4bb51f2213a2ee9fb42a8919bfe7603986a977e
-size 262841
+oid sha256:692b0d59a5c2bad1ad3cb4c87b06e035af8e6aab4d31de5fd69da1bee5462378
+size 259744

data/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d916677da429990f76017a6e098dd93c39f2990f18739f040e1ca2ec6d932271
-size 1048784
+oid sha256:195170635161a2fe7a7ea758e460b67852b477d113ad081f7e6a40d0b1f16a82
+size 1037761