diff --git a/ESSArch_Core/fixity/models.py b/ESSArch_Core/fixity/models.py
index 19cf87bbd..ab604561d 100644
--- a/ESSArch_Core/fixity/models.py
+++ b/ESSArch_Core/fixity/models.py
@@ -84,7 +84,12 @@ def prepare_cmd(self, filepath, options):
             'input_ext': ''.join(PurePath(filepath).suffixes)[1:],  # 'jpg'
         }
         kwargs.update(options)
-        return self.cmd.format(**kwargs)
+        if isinstance(self.cmd, str):
+            return self.cmd.format(**kwargs)
+        elif isinstance(self.cmd, dict):
+            return {k: v.format(**kwargs) for k, v in self.cmd.items()}
+        else:
+            raise TypeError(f"Invalid self.cmd type: {type(self.cmd)}")
 
     def _run_application(self, filepath, rootdir, options, t=None, ip=None):
         from ESSArch_Core.util import normalize_path
@@ -122,28 +127,28 @@ def _run_python(self, filepath, rootdir, options, t=None, ip=None, context=None)
             filepath = normalize_path(filepath)
             if not context and '_context' in options.keys():
                 context = options.pop('_context')
-            cmd = eval(self.prepare_cmd(filepath, options))
+            cmd = self.prepare_cmd(filepath, options)
             if isinstance(cmd, str):
-                cmd = (cmd,)
+                cmd = shlex.split(cmd)
 
             try:
                 [module, task] = self.path.rsplit('.', 1)
                 p = getattr(importlib.import_module(module), task)(task=t, ip=ip, context=context)
                 if self.type == ExternalTool.Type.CONVERSION_TOOL and isinstance(cmd, dict):
                     p.convert(**cmd)
-                elif self.type == ExternalTool.Type.CONVERSION_TOOL and isinstance(cmd, tuple):
+                elif self.type == ExternalTool.Type.CONVERSION_TOOL and isinstance(cmd, list):
                     p.convert(*cmd)
                 elif self.type == ExternalTool.Type.COLLECTION_TOOL and isinstance(cmd, dict):
                     p.collect(**cmd)
-                elif self.type == ExternalTool.Type.COLLECTION_TOOL and isinstance(cmd, tuple):
+                elif self.type == ExternalTool.Type.COLLECTION_TOOL and isinstance(cmd, list):
                     p.collect(*cmd)
                 elif self.type == ExternalTool.Type.TRANSFORMATION_TOOL and isinstance(cmd, dict):
                     p.transform(**cmd)
-                elif self.type == ExternalTool.Type.TRANSFORMATION_TOOL and isinstance(cmd, tuple):
+                elif self.type == ExternalTool.Type.TRANSFORMATION_TOOL and isinstance(cmd, list):
                     p.transform(*cmd)
                 elif self.type == ExternalTool.Type.VALIDATION_TOOL and isinstance(cmd, dict):
                     p.validate(**cmd)
-                elif self.type == ExternalTool.Type.VALIDATION_TOOL and isinstance(cmd, tuple):
+                elif self.type == ExternalTool.Type.VALIDATION_TOOL and isinstance(cmd, list):
                     p.validate(*cmd)
                 else:
                     raise ValueError(cmd)
diff --git a/ESSArch_Core/install/install_default_config.py b/ESSArch_Core/install/install_default_config.py
index 69e2b8578..f5e92e31e 100644
--- a/ESSArch_Core/install/install_default_config.py
+++ b/ESSArch_Core/install/install_default_config.py
@@ -171,7 +171,7 @@ def sync_event_types(event_definitions, dry_run=False, remove_extra=False):
         data = desired_by_code[code]
         click.secho(
             f"  [+] {'Would create' if dry_run else 'Created'}: "
-            f"{code} – {data['eventDetail']}",
+            f"{code} - {data['eventDetail']}",
             fg="green",
         )
 
@@ -213,7 +213,7 @@ def sync_event_types(event_definitions, dry_run=False, remove_extra=False):
 
             updated += 1
         else:
-            click.echo(f"  [=] OK: {code} – {obj.eventDetail}")
+            click.echo(f"  [=] OK: {code} - {obj.eventDetail}")
             unchanged += 1
 
     # --------------------------------
@@ -221,7 +221,7 @@ def sync_event_types(event_definitions, dry_run=False, remove_extra=False):
     # --------------------------------
     for code in extra:
         obj = existing_by_code[code]
-        msg = f"  [!] Extra: {code} – {obj.eventDetail}"
+        msg = f"  [!] Extra: {code} - {obj.eventDetail}"
 
         if remove_extra:
             click.secho(