--- moose-core-3.1.5/python/moose/utils.py.orig	2021-08-16 19:05:38.269473061 -0600
+++ moose-core-3.1.5/python/moose/utils.py	2021-08-16 19:08:56.592968592 -0600
@@ -14,9 +14,7 @@
 __license__          = "GPLv3"
 
 import types
-import parser
 import token
-import symbol
 import os
 import math
 import warnings
@@ -205,44 +204,6 @@
             raise TypeError('Second argument must be a string specifying a field to assign to when third argument is a value')
 
 
-def tweak_field(moose_wildcard, field, assignment_string):
-    """Tweak a specified field of all objects that match the
-    moose_wildcard using assignment string. All identifiers in
-    assignment string must be fields of the target object.
-
-    Example:
-
-    tweak_field('/mycell/##[Class=Compartment]', 'Rm', '1.5 / (3.1416 * diameter * length')
-
-    will assign Rm to every compartment in mycell such that the
-    specific membrane resistance is 1.5 Ohm-m2.
-    """
-    if not isinstance(moose_wildcard, str):
-        raise TypeError('moose_wildcard must be a string.')
-    id_list = moose.getWildcardList(moose_wildcard, True)
-    expression = parser.expr(assignment_string)
-    expr_list = expression.tolist()
-    # This is a hack: I just tried out some possible syntax trees and
-    # hand coded the replacement such that any identifier is replaced
-    # by moose_obj.identifier
-    def replace_fields_with_value(x):
-        if len(x)>1:
-            if x[0] == symbol.power and x[1][0] == symbol.atom and x[1][1][0] == token.NAME:
-                field = x[1][1][1]
-                x[1] = [symbol.atom, [token.NAME, 'moose_obj']]
-                x.append([symbol.trailer, [token.DOT, '.'], [token.NAME, field]])
-            for item in x:
-                if isinstance(item, list):
-                    replace_fields_with_value(item)
-        return x
-    tmp = replace_fields_with_value(expr_list)
-    new_expr = parser.sequence2st(tmp)
-    code = new_expr.compile()
-    for moose_id in id_list:
-        moose_obj = eval('moose.%s(moose_id)' % (moose.Neutral(moose_id).className))
-        value = eval(code)
-        moose.setField(moose_id, field, str(value))
-
 # 2012-01-11 19:20:39 (+0530) Subha: checked for compatibility with dh_branch
 def printtree(root, vchar='|', hchar='__', vcount=1, depth=0, prefix='', is_last=False):
     """Pretty-print a MOOSE tree.