Fix return value.

Author: cekk

CHANGES.rst

@@ -5,7 +5,8 @@ Changelog
 1.0.2 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Fix return value.
+  [cekk]
 
 
 1.0.1 (2025-10-15)

src/redturtle/rsync/adapters/adapter.py

@@ -239,11 +239,11 @@ def get_data(self):
             logger.exception(e)
             msg = f"Error in data generation: {e}"
             self.log_info(msg=msg, type="error")
-            return
+            return []
         if not data:
             msg = "No data to sync."
             self.log_info(msg=msg, type="info", force_sys_log=True)
-            return
+            return []
         return data
 
     def convert_source_data(self, data):