diff --git a/uncompyle6/parsers/parse2.py b/uncompyle6/parsers/parse2.py
index f2af9b98..ab035d61 100644
--- a/uncompyle6/parsers/parse2.py
+++ b/uncompyle6/parsers/parse2.py
@@ -653,10 +653,10 @@ class Python2Parser(PythonParser):
             pass
 
         self.reduce_check_table = {
-            # "and": and_check,
+            # "and": and_invalid,
             "except_handler_else": except_handler_else,
             "ifelsestmt": ifelsestmt,
-            # "or": or_check,
+            # "or": or_invalid,
             "tryelsestmt": tryelsestmt,
             "tryelsestmtl": tryelsestmt,
         }
diff --git a/uncompyle6/parsers/parse3.py b/uncompyle6/parsers/parse3.py
index 64afd030..80bcc874 100644
--- a/uncompyle6/parsers/parse3.py
+++ b/uncompyle6/parsers/parse3.py
@@ -30,7 +30,7 @@ import re
 from uncompyle6.scanners.tok import Token
 from uncompyle6.parser import PythonParser, PythonParserSingle, nop_func
 from uncompyle6.parsers.reducecheck import (
-    and_check,
+    and_invalid,
     except_handler_else,
     ifelsestmt,
     ifstmt,
@@ -1581,7 +1581,7 @@ class Python3Parser(PythonParser):
         }
 
         if self.version == (3, 6):
-            self.reduce_check_table["and"] =  and_check
+            self.reduce_check_table["and"] =  and_invalid
             self.check_reduce["and"] = "AST"
 
         self.check_reduce["annotate_tuple"] = "noAST"
diff --git a/uncompyle6/parsers/parse37base.py b/uncompyle6/parsers/parse37base.py
index 3643fae7..ef307cc5 100644
--- a/uncompyle6/parsers/parse37base.py
+++ b/uncompyle6/parsers/parse37base.py
@@ -8,7 +8,7 @@ from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
 from spark_parser.spark import rule2str
 
 from uncompyle6.parsers.reducecheck import (
-    and_check,
+    and_invalid,
     ifelsestmt,
     iflaststmt,
     ifstmt,
@@ -1128,7 +1128,7 @@ class Python37BaseParser(PythonParser):
 
         self.reduce_check_table = {
             "_ifstmts_jump": ifstmts_jump,
-            "and": and_check,
+            "and": and_invalid,
             "ifelsestmt": ifelsestmt,
             "ifelsestmtl": ifelsestmt,
             "iflaststmt": iflaststmt,
diff --git a/uncompyle6/parsers/parse38.py b/uncompyle6/parsers/parse38.py
index 3c7789d7..69c2f4c6 100644
--- a/uncompyle6/parsers/parse38.py
+++ b/uncompyle6/parsers/parse38.py
@@ -20,7 +20,6 @@ from __future__ import print_function
 from uncompyle6.parser import PythonParserSingle, nop_func
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
 from uncompyle6.parsers.parse37 import Python37Parser
-from uncompyle6.parsers.reducecheck import joined_str_check
 
 class Python38Parser(Python37Parser):
     def p_38_stmt(self, args):
diff --git a/uncompyle6/parsers/reducecheck/__init__.py b/uncompyle6/parsers/reducecheck/__init__.py
index 4820b6cf..4f99ab2f 100644
--- a/uncompyle6/parsers/reducecheck/__init__.py
+++ b/uncompyle6/parsers/reducecheck/__init__.py
@@ -1,18 +1,18 @@
-from uncompyle6.parsers.reducecheck.and_check import *
-from uncompyle6.parsers.reducecheck.aug_assign import *
-from uncompyle6.parsers.reducecheck.except_handler import *
-from uncompyle6.parsers.reducecheck.except_handler_else import *
-from uncompyle6.parsers.reducecheck.ifelsestmt import *
-from uncompyle6.parsers.reducecheck.ifelsestmt2 import *
-from uncompyle6.parsers.reducecheck.iflaststmt import *
-from uncompyle6.parsers.reducecheck.ifstmt import *
-from uncompyle6.parsers.reducecheck.ifstmt2 import *
-from uncompyle6.parsers.reducecheck.ifstmts_jump import *
-from uncompyle6.parsers.reducecheck.for_block_check import *
-from uncompyle6.parsers.reducecheck.or_check import *
-from uncompyle6.parsers.reducecheck.testtrue import *
-from uncompyle6.parsers.reducecheck.tryelsestmt import *
-from uncompyle6.parsers.reducecheck.tryexcept import *
-from uncompyle6.parsers.reducecheck.tryelsestmtl3 import *
-from uncompyle6.parsers.reducecheck.while1elsestmt import *
-from uncompyle6.parsers.reducecheck.while1stmt import *
+from uncompyle6.parsers.reducecheck.and_check import *  # noqa
+from uncompyle6.parsers.reducecheck.aug_assign import *  # noqa
+from uncompyle6.parsers.reducecheck.except_handler import *  # noqa
+from uncompyle6.parsers.reducecheck.except_handler_else import *  # noqa
+from uncompyle6.parsers.reducecheck.ifelsestmt import *  # noqa
+from uncompyle6.parsers.reducecheck.ifelsestmt2 import *  # noqa
+from uncompyle6.parsers.reducecheck.iflaststmt import *  # noqa
+from uncompyle6.parsers.reducecheck.ifstmt import *  # noqa
+from uncompyle6.parsers.reducecheck.ifstmt2 import *  # noqa
+from uncompyle6.parsers.reducecheck.ifstmts_jump import *  # noqa
+from uncompyle6.parsers.reducecheck.for_block_check import *  # noqa
+from uncompyle6.parsers.reducecheck.or_check import *  # noqa
+from uncompyle6.parsers.reducecheck.testtrue import *  # noqa
+from uncompyle6.parsers.reducecheck.tryelsestmt import *  # noqa
+from uncompyle6.parsers.reducecheck.tryexcept import *  # noqa
+from uncompyle6.parsers.reducecheck.tryelsestmtl3 import *  # noqa
+from uncompyle6.parsers.reducecheck.while1elsestmt import *  # noqa
+from uncompyle6.parsers.reducecheck.while1stmt import *  # noqa
diff --git a/uncompyle6/parsers/reducecheck/and_check.py b/uncompyle6/parsers/reducecheck/and_check.py
index 5e590821..afffbcb3 100644
--- a/uncompyle6/parsers/reducecheck/and_check.py
+++ b/uncompyle6/parsers/reducecheck/and_check.py
@@ -1,7 +1,13 @@
-#  Copyright (c) 2020 Rocky Bernstein
+#  Copyright (c) 2020, 2022 Rocky Bernstein
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
 
 
-def and_check(self, lhs, n, rule, ast, tokens, first, last):
+
+def and_invalid(
+    self, lhs: str, n: int, rule, ast, tokens: list, first: int, last: int
+ ) -> bool:
     jmp = ast[1]
     if jmp.kind.startswith("jmp_"):
         if last == n:
diff --git a/uncompyle6/parsers/reducecheck/joined_str_check.py b/uncompyle6/parsers/reducecheck/joined_str_check.py
index 96ddc7b9..c6f67441 100644
--- a/uncompyle6/parsers/reducecheck/joined_str_check.py
+++ b/uncompyle6/parsers/reducecheck/joined_str_check.py
@@ -13,7 +13,7 @@
 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-def joined_str_ok(
+def joined_str_invalid(
     self, lhs: str, n: int, rule, tree, tokens: list, first: int, last: int
 ) -> bool:
     # In Python 3.8, there is a new "=" specifier.