unbroke breaking changes

proof-pile.py

@@ -226,12 +226,14 @@ class ProofPile(datasets.GeneratorBasedBuilder):
         if self.config.name in self.archived_configs: 
             for name, obj in data_files: 
                 text = obj.read().decode()
-                # Yields examples as (key, example) tuples
+                # Yields examples as (key, example) tuples 
                 yield key, {
-                    "config": self.config.name, 
-                    "file": name, 
                     "text": text,
-                    }
+                    "meta": json.dumps({
+                        "config": self.config.name, 
+                        "file": name, 
+                    })
+                }
                 key += 1
         elif self.config.name in self.jsonl_configs: 
             key = 0 
@@ -248,8 +250,10 @@ class ProofPile(datasets.GeneratorBasedBuilder):
                     text = f.read()
                 # Yields examples as (key, example) tuples
                 yield key, {
-                    "config": self.config.name, 
-                    "file": name, 
                     "text": text,
+                    "meta": json.dumps({
+                        "config": self.config.name, 
+                        "file": name, 
+                    })
                 }
             key += 1