diff --git a/application.py b/application.py
index 488f686..9b34bc5 100755
--- a/application.py
+++ b/application.py
@@ -25,7 +25,6 @@ import keyinput
 import method
 from minibuffer import MiniBuffer, MiniBufferError
 import mode
-from point import Point
 import util
 from window import Window
 
@@ -59,31 +58,31 @@ class Application(object):
         default = ('default', 'default')
         
         # magenta is for keywords/builtins, translation, globs
-        lo_magenta = ('magenta202', 'default')
+        #lo_magenta = ('magenta202', 'default')
         hi_magenta = ('magenta505', 'default')
         
         # red is for comments, pods, endblocks
-        lo_red = ('red300', 'default')
+        #lo_red = ('red300', 'default')
         hi_red = ('red511', 'default')
         
         # orange are for arrays and hashes
-        hi_orange = ('yellow531', 'default')
-        lo_orange = ('yellow520', 'default')
+        #hi_orange = ('yellow531', 'default')
+        #lo_orange = ('yellow520', 'default')
         
         # yellow is for scalars and prototypes
-        hi_yellow = ('yellow551', 'default')
-        lo_yellow = ('yellow330', 'default')
+        #hi_yellow = ('yellow551', 'default')
+        #lo_yellow = ('yellow330', 'default')
         
         # green is for strings and hash keys
         lo_green = ('green030', 'default')
         hi_green = ('green050', 'default')
         
         # cyan is for quotes, evals, regexes, subs
-        lo_cyan = ('cyan033', 'default')
+        #lo_cyan = ('cyan033', 'default')
         hi_cyan = ('cyan155', 'default')
         
         # blue is unused
-        lo_blue = ('blue113', 'default')
+        #lo_blue = ('blue113', 'default')
         hi_blue = ('blue225', 'default')
 
         # let's prepopulate some default token colors
diff --git a/gdb.py b/gdb.py
index 28eaec7..1856487 100755
--- a/gdb.py
+++ b/gdb.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 import os, re, sys
 from subprocess import Popen, PIPE, STDOUT
-import cache
 
 _can_debug = os.system('which gdb > /dev/null 2>&1') == 0
 
diff --git a/highlight.py b/highlight.py
index 21c2f48..2bed0e7 100644
--- a/highlight.py
+++ b/highlight.py
@@ -19,21 +19,6 @@ def setup():
         color_dict[color_names[i]] = color_list[i]
 setup()
 
-#def token_match(self, token, name, data=None):
-#    return token.fqname() == name and data is None or token.string == data
-#def token_match2(self, token, name, regex):
-#    return token.fqname() == name and regex.match(token.string)
-#def token_vmatch(self, token, *pairs):
-#    for (name, data) in pairs:
-#        if token_match(token, name, data):
-#            return True
-#    return False
-#def token_vmatch2(self, token, *pairs):
-#    for (name, regex) in pairs:
-#        if token_match(token, name, regex):
-#            return True
-#    return False
-
 class Highlighter(object):
     def __init__(self, lexer):
         self.lexer  = lexer
@@ -87,7 +72,7 @@ class Highlighter(object):
             y += 1
 
     def highlight(self, lines):
-        self.tokens = [[] for l in lines]
+        self.tokens = [[] for _ in lines]
         for token in self.lexer.lex(lines, y=0, x=0):
             self.tokens[token.y].append(token)
 
@@ -203,7 +188,7 @@ class Highlighter(object):
 
         # ok, so now we need to "adjust" the (x,y) coordinates of all the tokens
         # after the change. first we will copy over the pre-deletion tokens.
-        newtokens = [[] for x in range(0, len(self.tokens) - y2 + y1)]
+        newtokens = [[] for _ in range(0, len(self.tokens) - y2 + y1)]
 
         for y in range(0, y1):
             for token in self.tokens[y]:
diff --git a/lex.py b/lex.py
index 3d5af37..617b93c 100755
--- a/lex.py
+++ b/lex.py
@@ -488,7 +488,7 @@ class Lexer(object):
     def get_line(self):
         return self.lines[self.y] + '\n'
     def lex_all(self, lines):
-        lextokens = [[] for l in lines]
+        lextokens = [[] for _ in lines]
         for t in self.lex(lines):
             lextokens[t.y].append(t)
         return lextokens
diff --git a/miniparse.py b/miniparse.py
index 3bc624d..ee0e93c 100644
--- a/miniparse.py
+++ b/miniparse.py
@@ -1,4 +1,6 @@
-import parser, symbol, sys, token
+import parser
+import sys
+import token
 from pprint import pprint
 
 def proc(asttup):
@@ -15,10 +17,11 @@ def proc(asttup):
                 queue.insert(i, node[i + 1])
     return pairs
 
-for name in sys.argv[1:]:
-    f = open(name, 'r')
-    code = f.read()
-    f.close()
-    ast = parser.suite(code)
-    pairs = proc(ast.totuple())
-    pprint(pairs)
+if __name__ == "__main__":
+    for name in sys.argv[1:]:
+        f = open(name, 'r')
+        code = f.read()
+        f.close()
+        ast = parser.suite(code)
+        pairs = proc(ast.totuple())
+        pprint(pairs)
diff --git a/parse.py b/parse.py
index c07c523..973a12f 100644
--- a/parse.py
+++ b/parse.py
@@ -43,10 +43,10 @@ class String(Rule):
     def __init__(self, s):
         self.string = s
     def _match(self, tokens):
-        if token.string == self.string:
-            return [1]
-        else:
-            return []
+        for token in tokens:
+            if token.string == self.string:
+                return [1]
+        return []
 class Strings(Rule):
     def __init__(self, ss):
         self.strings = ss
@@ -113,12 +113,12 @@ class Repeat(Rule):
         self.maximum = maximum
     def match(self, tokens):
         n = 0
-        for i in range(0, self.minimum):
+        for _ in range(0, self.minimum):
             result = self.rule.match(tokens[n:])
             if not result:
                 return []
             n += result[0]
-        for i in range(self.minimum, self.maximum):
+        for _ in range(self.minimum, self.maximum):
             result = self.rule.match(tokens[n:])
             if not result:
                 return [n]
diff --git a/render.py b/render.py
index b578ec5..a299aaa 100644
--- a/render.py
+++ b/render.py
@@ -1,3 +1,4 @@
+import curses
 import color
 from point import Point
 
@@ -37,7 +38,7 @@ class RenderString(object):
                 s = self.string
             s2 = s.encode('utf-8')
             cwin.addstr(self.y + y, self.x + x, s2, self.attrs)
-        except Exception, e:
+        except curses.error:
             raise
             #v = (self.y, y, self.x, x, self.string, self.attrs, str(e))
             #raise Exception, "cwin.addstr(%d + %d, %d + %d, %r, %r) failed:\n%s" % v
diff --git a/searchutil.py b/searchutil.py
index 964777b..93fc934 100644
--- a/searchutil.py
+++ b/searchutil.py
@@ -1,5 +1,4 @@
 import re
-import regex
 from point import Point
 from render import HighlightRegion
 
diff --git a/tab.py b/tab.py
index 56dd758..e1bcf53 100644
--- a/tab.py
+++ b/tab.py
@@ -1,4 +1,4 @@
-import regex, util
+import regex
 from point import Point
 
 class Marker(object):
diff --git a/term.py b/term.py
index dfa4fdf..c548148 100644
--- a/term.py
+++ b/term.py
@@ -36,6 +36,10 @@ def make_cbuf(fg, bg, xt):
 class Dumb:
     name = 'dumb'
     cbuf = False
+    # style info
+    _fg = 'default'
+    _bg = 'default'
+    _xt = set()
     def _term_insert(self, s):
         assert self.i <= len(self.outc)
         if self.i == len(self.outc):
@@ -48,13 +52,15 @@ class Dumb:
         self.outs = ''
         self.i    = 0
         self.outc = []
-        if self.cbuf: self._term_insert(make_cbuf(self._fg, self._bg, self._xt))
+        if self.cbuf:
+            self._term_insert(make_cbuf(self._fg, self._bg, self._xt))
 
     def term_do_clear_bol(self):
         pass
     def term_do_clear_eol(self):
         del self.outc[self.i:]
-        if self.cbuf: self._term_insert(make_cbuf(self._fg, self._bg, self._xt))
+        if self.cbuf:
+            self._term_insert(make_cbuf(self._fg, self._bg, self._xt))
     def term_do_clear_eos(self):
         pass
     def term_do_home(self):
diff --git a/util.py b/util.py
index 8f7dde0..b41caec 100644
--- a/util.py
+++ b/util.py
@@ -137,9 +137,9 @@ except:
                                             dict.__repr__(self))
 
 def decode(s):
-    for format in ('utf-8', 'latin-1'):
+    for coding in ('utf-8', 'latin-1'):
         try:
-            return s.decode(format)
+            return s.decode(coding)
         except:
             pass
     return s.decode('ascii', 'replace')
diff --git a/window.py b/window.py
index e2e0c3b..d25bb54 100644
--- a/window.py
+++ b/window.py
@@ -1,5 +1,7 @@
-import os.path, string
-import color, highlight, regex
+import os.path
+import color
+import highlight
+import regex
 from point import Point
 from render import RenderString
 
@@ -453,7 +455,7 @@ class Window(object):
         self.goto(Point(0, y))
     def forward_chars(self, n):
         (x, y) = self.logical_cursor().xy()
-        for i in range(0, n):
+        for _ in range(0, n):
             if x == len(self.buffer.lines[y]):
                 y += 1
                 x = 0