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: 37095298
+    num_bytes: 36819170
     num_examples: 34516
   - name: test
-    num_bytes: 9315659
+    num_bytes: 9246619
     num_examples: 8630
-  download_size: 27079917
-  dataset_size: 46410957
+  download_size: 26802343
+  dataset_size: 46065789
 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 sha256:984e3fcf71463cfbd55c87d2a4c77fc0bd5b1b3eec8973f6db63eedfba66a4ce
-size 5427131
+oid sha256:1210d479b0078bb26e3fac94a3b14fd33e12907f62e06aa3bdf79cdc5bde1af5
+size 5371402

data/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8efcb368ebc26cc7c3e06f4c4974ffc07eb1b8a41c071b2825465ab2985a04da
-size 21652786
+oid sha256:0b2ae06b8e8db0f9a5ad7ce318a1f820afce9dc143779e91c4992a649d9b90f5
+size 21430941