hand over copy to scripts instead of ref

hifis_surveyval/core/dispatch.py

@@ -19,6 +19,7 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 """This module allows discovery and dispatch of analysis functions."""
+import copy
 import importlib.util
 import logging
 import traceback
@@ -147,7 +148,10 @@ class Dispatcher(object):
             logging.error(f"Failed to load module {module_name}." f"{error}")
 
         try:
-            module.run(hifis_surveyval=self.surveyval, data=self.data)
+            module.run(
+                hifis_surveyval=copy.deepcopy(self.surveyval),
+                data=copy.deepcopy(self.data),
+            )
         except AttributeError as error:
             traceback.print_exc()
             logging.error(