chore: add docstring to explain what the migration method does

xmatthias · xmatthias · commit 22ba0e61e388 · 2025-04-27T09:12:39.000+02:00
diff --git a/freqtrade/util/migrations/__init__.py b/freqtrade/util/migrations/__init__.py
@@ -4,6 +4,9 @@
 
 
 def migrate_data(config, exchange: Exchange | None = None):
+    """
+    Migrate persisted data from old formats to new formats
+    """
     migrate_binance_futures_data(config)
 
     migrate_funding_fee_timeframe(config, exchange)
