diff --git a/mathics/eval/assignment.py b/mathics/eval/assignment.py
index 5e230f039..6c88ae0b2 100644
--- a/mathics/eval/assignment.py
+++ b/mathics/eval/assignment.py
@@ -50,6 +50,33 @@ def __init__(self, lhs, rhs) -> None:
         self.rhs = rhs
 
 
+def assign_store_rules_by_tag(self, lhs, rhs, evaluation, tags, upset=False) -> bool:
+    """
+    This is the default assignment. Stores a rule of the form lhs->rhs
+    as a value associated to each symbol listed in tags.
+    For special cases, such like conditions or patterns in the lhs,
+    lhs and rhs are rewritten in a normal form, where
+    conditions are associated to the lhs.
+    """
+    lhs, condition = unroll_conditions(lhs)
+    lhs, rhs = unroll_patterns(lhs, rhs, evaluation)
+    defs = evaluation.definitions
+    ignore_protection, tags = eval_assign_other(self, lhs, rhs, evaluation, tags, upset)
+    # In WMA, this does not happens. However, if we remove this,
+    # some combinatorica tests fail.
+    # Also, should not be at the beginning?
+    lhs, rhs = process_rhs_conditions(lhs, rhs, condition, evaluation)
+    count = 0
+    rule = Rule(lhs, rhs)
+    position = "up" if upset else None
+    for tag in tags:
+        if rejected_because_protected(self, lhs, tag, evaluation, ignore_protection):
+            continue
+        count += 1
+        defs.add_rule(tag, rule, position=position)
+    return count > 0
+
+
 def eval_assign(
     self,
     lhs: BaseElement,
@@ -94,33 +121,6 @@ def eval_assign(
         return False
 
 
-def assign_store_rules_by_tag(self, lhs, rhs, evaluation, tags, upset=False) -> bool:
-    """
-    This is the default assignment. Stores a rule of the form lhs->rhs
-    as a value associated to each symbol listed in tags.
-    For special cases, such like conditions or patterns in the lhs,
-    lhs and rhs are rewritten in a normal form, where
-    conditions are associated to the lhs.
-    """
-    lhs, condition = unroll_conditions(lhs)
-    lhs, rhs = unroll_patterns(lhs, rhs, evaluation)
-    defs = evaluation.definitions
-    ignore_protection, tags = eval_assign_other(self, lhs, rhs, evaluation, tags, upset)
-    # In WMA, this does not happens. However, if we remove this,
-    # some combinatorica tests fail.
-    # Also, should not be at the beginning?
-    lhs, rhs = process_rhs_conditions(lhs, rhs, condition, evaluation)
-    count = 0
-    rule = Rule(lhs, rhs)
-    position = "up" if upset else None
-    for tag in tags:
-        if rejected_because_protected(self, lhs, tag, evaluation, ignore_protection):
-            continue
-        count += 1
-        defs.add_rule(tag, rule, position=position)
-    return count > 0
-
-
 def eval_assign_attributes(
     self: Builtin,
     lhs: BaseElement,