diff --git a/Makefile b/Makefile
index a431800e..5e8d471e 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,7 @@ check-3.0 check-3.1 check-3.2 check-3.5 check-3.6:
 	$(MAKE) -C test $@
 
 #:Tests for Python 2.6 (doesn't have pytest)
-check-2.5 check-2.6:
+check-2.4 check-2.5 check-2.6:
 	$(MAKE) -C test $@
 
 #:PyPy 2.6.1 or PyPy 5.0.1
diff --git a/test/Makefile b/test/Makefile
index f837216c..cadd8a03 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -20,7 +20,7 @@ check:
 	$(MAKE) check-$$PYTHON_VERSION
 
 #: Run working tests from Python 2.6 or 2.7
-check-2.5 check-2.6 check-2.7: check-bytecode-2 check-bytecode-3 check-bytecode-1  check-2.7-ok
+check-2.4 check-2.5 check-2.6 check-2.7: check-bytecode-2 check-bytecode-3 check-bytecode-1  check-2.7-ok
 
 #: Run working tests from Python 3.1
 check-3.0: check-bytecode
diff --git a/uncompyle6/main.py b/uncompyle6/main.py
index c1fc4840..ab7a0552 100644
--- a/uncompyle6/main.py
+++ b/uncompyle6/main.py
@@ -21,13 +21,25 @@ def uncompyle(
 
     # store final output stream for case of error
     real_out = out or sys.stdout
-    co_pypy_str = 'PyPy ' if is_pypy else ''
-    run_pypy_str = 'PyPy ' if IS_PYPY else ''
+    if is_pypy:
+        co_pypy_str = 'PyPy '
+    else:
+        co_pypy_str = ''
+
+    if IS_PYPY:
+        run_pypy_str = 'PyPy '
+    else:
+        run_pypy_str = ''
+
+    if magic_int:
+        m = str(magic_int)
+    else:
+        m = ""
     real_out.write('# uncompyle6 version %s\n'
           '# %sPython bytecode %s%s\n# Decompiled from: %sPython %s\n' %
           (VERSION, co_pypy_str, bytecode_version,
-           " (%d)" % magic_int if magic_int else "",
-           run_pypy_str, '\n# '.join(sys.version.split('\n'))))
+           " (%s)" % m, run_pypy_str,
+           '\n# '.join(sys.version.split('\n'))))
     if co.co_filename:
         real_out.write('# Embedded file name: %s\n' % co.co_filename)
     if timestamp:
diff --git a/uncompyle6/parser.py b/uncompyle6/parser.py
index 5f402065..babbaea8 100644
--- a/uncompyle6/parser.py
+++ b/uncompyle6/parser.py
@@ -78,7 +78,10 @@ class PythonParser(GenericASTBuilder):
         err_token = instructions[index]
         print("Instruction context:")
         for i in range(start, finish):
-            indent = '   ' if i != index else '-> '
+            if i != index:
+                indent = '   '
+            else:
+                indent = '-> '
             print("%s%s" % (indent, instructions[i]))
         raise ParserError(err_token, err_token.offset)
 
diff --git a/uncompyle6/parsers/parse3.py b/uncompyle6/parsers/parse3.py
index 7ff048d0..dea78bd5 100644
--- a/uncompyle6/parsers/parse3.py
+++ b/uncompyle6/parsers/parse3.py
@@ -453,7 +453,10 @@ class Python3Parser(PythonParser):
         """Python 3.3 added a an addtional LOAD_CONST before MAKE_FUNCTION and
         this has an effect on many rules.
         """
-        new_rule = rule % (('LOAD_CONST ') * (1 if  self.version >= 3.3 else 0))
+        if self.version >= 3.3:
+            new_rule = rule % (('LOAD_CONST ') * 1)
+        else:
+            new_rule = rule % (('LOAD_CONST ') * 0)
         self.add_unique_rule(new_rule, opname, attr, customize)
 
     def add_custom_rules(self, tokens, customize):
diff --git a/uncompyle6/scanners/scanner2.py b/uncompyle6/scanners/scanner2.py
index 62b5d176..e2592868 100644
--- a/uncompyle6/scanners/scanner2.py
+++ b/uncompyle6/scanners/scanner2.py
@@ -83,7 +83,9 @@ class Scanner2(scan.Scanner):
         cause specific rules for the specific number of arguments they take.
         """
 
-        show_asm = self.show_asm if not show_asm else show_asm
+        if not show_asm:
+            show_asm = self.show_asm
+
         # show_asm = 'after'
         if show_asm in ('both', 'before'):
             from xdis.bytecode import Bytecode
@@ -908,8 +910,10 @@ class Scanner2(scan.Scanner):
 
                             # FIXME: rocky: I think we need something like this...
                             if offset not in set(self.ignore_if) or self.version == 2.7:
-                                source = (self.setup_loops[label]
-                                          if label in self.setup_loops else offset)
+                                if label in self.setup_loops:
+                                    source = self.setup_loops[label]
+                                else:
+                                    source = offset
                                 targets[label] = targets.get(label, []) + [source]
                             pass
 
diff --git a/uncompyle6/scanners/scanner26.py b/uncompyle6/scanners/scanner26.py
index 4f65d9f1..6476e883 100755
--- a/uncompyle6/scanners/scanner26.py
+++ b/uncompyle6/scanners/scanner26.py
@@ -86,7 +86,9 @@ class Scanner26(scan.Scanner2):
         cause specific rules for the specific number of arguments they take.
         """
 
-        show_asm = self.show_asm if not show_asm else show_asm
+        if not show_asm:
+            show_asm = self.show_asm
+
         # show_asm = 'after'
         if show_asm in ('both', 'before'):
             from xdis.bytecode import Bytecode
diff --git a/uncompyle6/scanners/scanner3.py b/uncompyle6/scanners/scanner3.py
index d3750ca6..564ea9be 100644
--- a/uncompyle6/scanners/scanner3.py
+++ b/uncompyle6/scanners/scanner3.py
@@ -146,7 +146,9 @@ class Scanner3(Scanner):
         cause specific rules for the specific number of arguments they take.
         """
 
-        show_asm = self.show_asm if not show_asm else show_asm
+        if not show_asm:
+            show_asm = self.show_asm
+
         # show_asm = 'after'
         if show_asm in ('both', 'before'):
             bytecode = Bytecode(co, self.opc)
diff --git a/uncompyle6/scanners/tok.py b/uncompyle6/scanners/tok.py
index a260a24c..def37ff1 100644
--- a/uncompyle6/scanners/tok.py
+++ b/uncompyle6/scanners/tok.py
@@ -56,12 +56,18 @@ class Token:
         return self.format(line_prefix='')
 
     def format(self, line_prefix=''):
-        prefix = ('\n%s%4d  ' % (line_prefix, self.linestart)
-                  if self.linestart else (' ' * (6 + len(line_prefix))))
+        if self.linestart:
+            prefix = '\n%s%4d  ' % (line_prefix, self.linestart)
+        else:
+            prefix = ' ' * (6 + len(line_prefix))
         offset_opname = '%6s  %-17s' % (self.offset, self.type)
         if not self.has_arg:
             return "%s%s" % (prefix, offset_opname)
-        argstr = "%6d " % self.attr if isinstance(self.attr, int) else (' '*7)
+
+        if isinstance(self.attr, int):
+            argstr = "%6d " % self.attr
+        else:
+            argstr = ' '*7
         if self.pattr:
             pattr = self.pattr
             if self.opc:
diff --git a/uncompyle6/semantics/fragments.py b/uncompyle6/semantics/fragments.py
index 52f87c44..36fc13e8 100644
--- a/uncompyle6/semantics/fragments.py
+++ b/uncompyle6/semantics/fragments.py
@@ -732,7 +732,10 @@ class FragmentsWalker(pysource.SourceWalker, object):
     def n_genexpr(self, node):
         start = len(self.f.getvalue())
         self.write('(')
-        code_index = -6 if self.version > 3.2 else -5
+        if self.version > 3.2:
+            code_index = -6
+        else:
+            code_index = -5
         self.comprehension_walk(node, iter_index=3, code_index=code_index)
         self.write(')')
         self.set_pos_info(node, start, len(self.f.getvalue()))
@@ -886,7 +889,10 @@ class FragmentsWalker(pysource.SourceWalker, object):
                         subclass = n.attr
                         break
                     pass
-                subclass_info = node if node == 'classdefdeco2' else node[0]
+                if node == 'classdefdeco2':
+                    subclass_info = node
+                else:
+                    subclass_info = node[0]
             elif buildclass[1][0] == 'load_closure':
                 # Python 3 with closures not functions
                 load_closure = buildclass[1]
@@ -910,7 +916,10 @@ class FragmentsWalker(pysource.SourceWalker, object):
                 subclass = buildclass[1][0].attr
                 subclass_info = node[0]
         else:
-            buildclass = node if (node == 'classdefdeco2') else node[0]
+            if node == 'classdefdeco2':
+                buildclass = node
+            else:
+                buildclass = node[0]
             build_list = buildclass[1][0]
             if hasattr(buildclass[-3][0], 'attr'):
                 subclass = buildclass[-3][0].attr
diff --git a/uncompyle6/semantics/make_function.py b/uncompyle6/semantics/make_function.py
index e1a6f934..b388e49b 100644
--- a/uncompyle6/semantics/make_function.py
+++ b/uncompyle6/semantics/make_function.py
@@ -151,7 +151,10 @@ def make_function3_annotate(self, node, isLambda, nested=1,
                 self.write(': %s' % value)
         suffix = ', '
 
-    suffix = ', ' if i > 0 else ''
+    if i > 0:
+        suffix = ', '
+    else:
+        suffix = ''
     for n in node:
         if n == 'pos_arg':
             self.write(suffix)
@@ -301,7 +304,10 @@ def make_function2(self, node, isLambda, nested=1, codeNode=None):
         self.ERROR = p
         return
 
-    kw_pairs = args_node.attr[1] if self.version >= 3.0 else 0
+    if self.version >= 3.0:
+        kw_pairs = args_node.attr[1]
+    else:
+        kw_pairs = 0
     indent = self.indent
 
     # build parameters
@@ -438,7 +444,10 @@ def make_function3(self, node, isLambda, nested=1, codeNode=None):
         self.ERROR = p
         return
 
-    kw_pairs = args_node.attr[1] if self.version >= 3.0 else 0
+    if self.version >= 3.0:
+        kw_pairs = args_node.attr[1]
+    else:
+        kw_pairs = 0
     indent = self.indent
 
     # build parameters
@@ -480,7 +489,10 @@ def make_function3(self, node, isLambda, nested=1, codeNode=None):
 
         i = len(paramnames) - len(defparams)
         self.write(", ".join(paramnames[:i]))
-        suffix = ', ' if i > 0 else ''
+        if i > 0:
+            suffix = ', '
+        else:
+            suffix = ''
         for n in node:
             if n == 'pos_arg':
                 self.write(suffix)
diff --git a/uncompyle6/semantics/pysource.py b/uncompyle6/semantics/pysource.py
index 2109e25b..c148986f 100644
--- a/uncompyle6/semantics/pysource.py
+++ b/uncompyle6/semantics/pysource.py
@@ -600,7 +600,10 @@ class SourceWalker(GenericASTTraversal, object):
                     code = node[-3]
 
                 self.indentMore()
-                annotate_last = -4 if self.version == 3.1 else -5
+                if self.version == 3.1:
+                    annotate_last = -4
+                else:
+                    annotate_last = -5
 
                 # FIXME: handle and pass full annotate args
                 make_function3_annotate(self, node, isLambda=False,
@@ -1114,7 +1117,10 @@ class SourceWalker(GenericASTTraversal, object):
                 return
             n = node[-1]
         elif node[-1] == 'del_stmt':
-            n = node[-3] if node[-2] == 'JUMP_BACK' else node[-2]
+            if node[-2] == 'JUMP_BACK':
+                n = node[-3]
+            else:
+                n = node[-2]
 
         assert n == 'list_iter'
 
@@ -1132,7 +1138,10 @@ class SourceWalker(GenericASTTraversal, object):
             list_iter = node[-1]
         else:
             expr = n[1]
-            list_iter = node[-3] if node[-2] == 'JUMP_BACK' else node[-2]
+            if node[-2] == 'JUMP_BACK':
+                list_iter = node[-3]
+            else:
+                list_iter = node[-2]
 
         assert expr == 'expr'
         assert list_iter == 'list_iter'
@@ -1174,7 +1183,10 @@ class SourceWalker(GenericASTTraversal, object):
         self.write( '[ ')
 
         expr = n[0]
-        list_iter = node[-2] if self.is_pypy and node[-1] == 'JUMP_BACK' else node[-1]
+        if self.is_pypy and node[-1] == 'JUMP_BACK':
+            list_iter = node[-2]
+        else:
+            list_iter = node[-1]
 
         assert expr == 'expr'
         assert list_iter == 'list_iter'
@@ -1248,7 +1260,10 @@ class SourceWalker(GenericASTTraversal, object):
         self.write(' for ')
         self.preorder(ast[iter_index-1])
         self.write(' in ')
-        iter_expr = node[2] if node[2] == 'expr' else node[-3]
+        if node[2] == 'expr':
+            iter_expr = node[2]
+        else:
+            iter_expr = node[-3]
         assert iter_expr == 'expr'
         self.preorder(iter_expr)
         self.preorder(ast[iter_index])
@@ -1256,7 +1271,10 @@ class SourceWalker(GenericASTTraversal, object):
 
     def n_genexpr(self, node):
         self.write('(')
-        code_index = -6 if self.version > 3.2 else -5
+        if self.version > 3.2:
+            code_index = -6
+        else:
+            code_index = -5
         self.comprehension_walk(node, iter_index=3, code_index=code_index)
         self.write(')')
         self.prune()
@@ -1490,7 +1508,10 @@ class SourceWalker(GenericASTTraversal, object):
                             break
                         pass
                     pass
-                subclass_info = node if node == 'classdefdeco2' else node[0]
+                if node == 'classdefdeco2':
+                    subclass_info = node
+                else:
+                    subclass_info = node[0]
             elif buildclass[1][0] == 'load_closure':
                 # Python 3 with closures not functions
                 load_closure = buildclass[1]
@@ -1514,7 +1535,10 @@ class SourceWalker(GenericASTTraversal, object):
                 subclass = buildclass[1][0].attr
                 subclass_info = node[0]
         else:
-            buildclass = node if (node == 'classdefdeco2') else node[0]
+            if node == 'classdefdeco2':
+                buildclass = node
+            else:
+                buildclass = node[0]
             build_list = buildclass[1][0]
             if hasattr(buildclass[-3][0], 'attr'):
                 subclass = buildclass[-3][0].attr
diff --git a/uncompyle6/show.py b/uncompyle6/show.py
index 8a886f58..dea00a47 100644
--- a/uncompyle6/show.py
+++ b/uncompyle6/show.py
@@ -12,7 +12,10 @@ def maybe_show_asm(showasm, tokens):
     :param tokens:  The asm tokens to show.
     """
     if showasm:
-        stream = showasm if hasattr(showasm, 'write') else sys.stdout
+        if hasattr(showasm, 'write'):
+            stream = showasm
+        else:
+            stream = sys.stdout
         for t in tokens:
             stream.write(str(t))
             stream.write('\n')
@@ -29,7 +32,10 @@ def maybe_show_ast(showast, ast):
     :param ast:     The ast to show.
     """
     if showast:
-        stream = showast if hasattr(showast, 'write') else sys.stdout
+        if hasattr(showast, 'write'):
+            stream = showast
+        else:
+            stream = sys.stdout
         stream.write(str(ast))
         stream.write('\n')
 
@@ -48,7 +54,10 @@ def maybe_show_ast_param_default(showast, name, default):
     :param default: The function parameter default.
     """
     if showast:
-        stream = showast if hasattr(showast, 'write') else sys.stdout
+        if hasattr(showast, 'write'):
+            stream = showast
+        else:
+            stream = sys.stdout
         stream.write('\n')
         stream.write('--' + name)
         stream.write('\n')