fix: reload of old exps in dashboard

niceml/experiments/experimentinfo.py

@@ -51,9 +51,16 @@ def as_save_dict(self) -> dict:
             LAST_MODIFIED_KEY: self.last_modified,
         }
 
-    def is_modified(self, other: "ExperimentInfo") -> bool:
+    def is_modified(
+        self, other: "ExperimentInfo", ignore_missing_timestamp: Optional[bool] = True
+    ) -> bool:
         """Checks if the other experiment info is modified"""
-        return self.last_modified != other.last_modified
+        if self.last_modified != other.last_modified:
+            if ignore_missing_timestamp:
+                if self.last_modified is None or other.last_modified is None:
+                    return False
+            return True
+        return False
 
 
 def load_exp_info(

niceml/experiments/experimentmanager.py

@@ -103,7 +103,7 @@ def is_exp_modified(self, exp_info: ExperimentInfo) -> bool:
         if exp_info.short_id not in self.exp_dict_short_id:
             return True
         exp = self.get_exp_by_id(exp_info.short_id)
-        return exp.exp_info.is_modified(exp_info)
+        return exp_info.is_modified(exp.exp_info)
 
     def get_datasets(self) -> List[str]:
         """Returns a list of all datasets used in the experiments"""