diff --git a/tools/spec.py b/tools/spec.py
index e101a4d..b930908 100644
--- a/tools/spec.py
+++ b/tools/spec.py
@@ -178,12 +178,12 @@ class Bitmask(Type):
         assert node.tag == 'type'
         assert node.attrib['category'] == 'bitmask'
 
-        name = node.find('name').text
-        type = node.find('type').text
+        n = node.find('name').text
+        t = node.find('type').text
 
-        super().__init__(name,depends=[type])
+        super().__init__(n, depends=[t])
 
-        self.type = type
+        self.type = t
         self.requires = node.attrib.get('requires')
         if self.requires:
             self.depends.append(self.requires)
@@ -207,17 +207,16 @@ class Handle(Type):
         assert node.tag == 'type'
         assert node.attrib['category'] == 'handle'
 
-        name = node.find('name').text
-        type = node.find('type').text
+        n = node.find('name').text
+        t = node.find('type').text
+        assert t
 
-        super().__init__(name, depends=[type])
-        self.type = type
+        super().__init__(n, depends=[t])
+        self.type = t
 
         parents = node.attrib.get('parent', None)
         self.parents = parents.split(',') if parents else []
 
-        assert type
-
     def declare(self):
         return "struct %(name)s_t; using %(name)s = %(name)s_t*;" % {
             "name": self.name,
@@ -323,8 +322,8 @@ class POD(Type):
         self._members = []
 
         for member in node.findall('./member'):
-            type = member.find('type').text
-            name = member.find('name').text
+            t = member.find('type').text
+            n = member.find('name').text
 
             comment = member.find('comment')
             if not comment is None:
@@ -337,7 +336,7 @@ class POD(Type):
             #code = map(lambda x: "".join(x), code)
             #code = "".join(code)
 
-            self._members.append({'code': code, 'type': type, 'name': name})
+            self._members.append({'code': code, 'type': t, 'name': n})
 
     def declare(self):
         return "%(category)s %(name)s;" % {