Fix: variable shadow removed in utils/data

gustaf/helpers/data.py

@@ -520,24 +520,24 @@ def _validate_len(self, value=None, raise_=True):
 
         # here, check all saved values.
         to_pop = []
-        for key, value in self._saved.items():
-            if len(value) != helpee_len:
+        for s_key, s_value in self._saved.items():
+            if len(s_value) != helpee_len:
                 valid = False
 
             if not valid:
                 if raise_:
                     raise ValueError(
-                        f"`{key}`-data len ({len(value)}) doesn't match "
+                        f"`{s_key}`-data len ({len(s_value)}) doesn't match "
                         f"expected len ({helpee_len})"
                     )
                 else:
                     self._logd(
-                        f"`{key}`-data len ({len(value)}) doesn't match "
-                        f"expected len ({helpee_len}). Deleting `{key}`."
+                        f"`{s_key}`-data len ({len(s_value)}) doesn't match "
+                        f"expected len ({helpee_len}). Deleting `{s_key}`."
                     )
                 # pop invalid data
-                to_pop.append(key)
-                to_pop.append(key + "__norm")
+                to_pop.append(s_key)
+                to_pop.append(s_key + "__norm")
 
         # pop if needed
         for tp in to_pop: