Fix dataset config metadata for load_dataset compatibility

README.md

@@ -1,15 +1,16 @@
 ---
 configs:
-- config_name: python
+- config_name: default
   data_files:
     - split: train
-      path: data/python-*.parquet
+      path: data/train-*.parquet
 ---
 
-# LangMap-TheStack-python-100M-olmo2
+# LangMap-TheStack-python-100M
 
-Code finetuning dataset for **python** streamed from [bigcode/the-stack](https://huggingface.co/datasets/bigcode/the-stack).
+Code finetuning dataset for **python** streamed from
+[bigcode/the-stack](https://huggingface.co/datasets/bigcode/the-stack).
 
-- **Tokens collected**: 100,000,000 (target: 100,000,000)
-- **Tokenizer**: `allenai/OLMo-2-1124-7B`
+- **Target tokens**: 100,000,000
+- **Tokenizer**: `allenai/OLMo-3-1025-7B`
 - **Schema**: `{"text": [...]}` (sanitised source code)