diff --git a/uncompyle6/parser.py b/uncompyle6/parser.py
index 451d5c92..682d1069 100644
--- a/uncompyle6/parser.py
+++ b/uncompyle6/parser.py
@@ -92,7 +92,7 @@ def get_python_parser(version, debug_parser):
 def python_parser(version, co, out=sys.stdout, showasm=False,
                   parser_debug=PARSER_DEFAULT_DEBUG):
     import inspect
-    assert inspect.iscode(co)
+    assert hasattr(co, 'co_name')
     from uncompyle6.scanner import get_scanner
     scanner = get_scanner(version)
     tokens, customize = scanner.disassemble(co)
diff --git a/uncompyle6/scanners/scanner34.py b/uncompyle6/scanners/scanner34.py
index 86b63dc6..d6ed942a 100644
--- a/uncompyle6/scanners/scanner34.py
+++ b/uncompyle6/scanners/scanner34.py
@@ -98,7 +98,7 @@ class Scanner34(scan3.Scanner3):
             # other than LOAD_CONST, but we'll start out with just this for now.
             if opname in ['LOAD_CONST']:
                 const = inst.argval
-                if inspect.iscode(const):
+                if hasattr(const, 'co_name')):
                     if const.co_name == '<lambda>':
                         opname = 'LOAD_LAMBDA'
                     elif const.co_name == '<genexpr>':
diff --git a/uncompyle6/verify.py b/uncompyle6/verify.py
index 7d6a8fef..1ed31b34 100755
--- a/uncompyle6/verify.py
+++ b/uncompyle6/verify.py
@@ -138,8 +138,8 @@ def cmp_code_objects(version, code_obj1, code_obj2, name=''):
     This is the main part of this module.
     """
     # print code_obj1, type(code_obj2)
-    assert inspect.iscode(code_obj1)
-    assert inspect.iscode(code_obj2)
+    assert code_obj1, hasattr('co_name')
+    assert code_obj2, hasattr('co_name')
     # print dir(code_obj1)
     if isinstance(code_obj1, object):
         # new style classes (Python 2.2)
@@ -307,8 +307,8 @@ def cmp_code_objects(version, code_obj1, code_obj2, name=''):
         elif member == 'co_consts':
             # partial optimization can make the co_consts look different,
             #   so we'll just compare the code consts
-            codes1 = ( c for c in code_obj1.co_consts if inspect.iscode(c) )
-            codes2 = ( c for c in code_obj2.co_consts if inspect.iscode(c) )
+            codes1 = ( c for c in code_obj1.co_consts if hasattr(c, 'co_consts') )
+            codes2 = ( c for c in code_obj2.co_consts if hasattr(c, 'co_consts') )
 
             for c1, c2 in zip(codes1, codes2):
                 cmp_code_objects(version, c1, c2, name=name)