diff --git a/bin/find-non-ascii b/bin/find-non-ascii
index b8fbcac..c8b12d1 100755
--- a/bin/find-non-ascii
+++ b/bin/find-non-ascii
@@ -62,11 +62,7 @@ def ignore_file(filename, globs):
     if not globs:
         return False
 
-    for glob in globs:
-        if fnmatch.fnmatch(filename, glob):
-            return False
-
-    return True
+    return not any(fnmatch.fnmatch(filename, glob) for glob in globs)
 
 
 def find_files(args):
diff --git a/bin/svn-ignore b/bin/svn-ignore
index 9996d10..af37cd0 100755
--- a/bin/svn-ignore
+++ b/bin/svn-ignore
@@ -70,9 +70,9 @@ def main():
             if filename not in svnignore_data:
                 continue
             svnignore_data.remove(filename)
+        elif filename in svnignore_data:
+            continue
         else:
-            if filename in svnignore_data:
-                continue
             svnignore_data.append(filename)
 
         # Optionally sort.
diff --git a/bin/unicode2ascii b/bin/unicode2ascii
index e21cf7a..226ec46 100755
--- a/bin/unicode2ascii
+++ b/bin/unicode2ascii
@@ -66,20 +66,14 @@ def main():
         args.files.append("-")
 
     for arg in args.files:
-        if arg == "-":
-            text = sys.stdin.read()
-        else:
-            text = open(arg, "rb").read()
+        text = sys.stdin.read() if arg == "-" else open(arg, "rb").read()
         utext = text.decode("utf8")
         utext = unicodedata.normalize("NFKD", utext)
         utext = utext.translate(XTABLE)
         try:
             utext.encode("ascii", "strict")
         except UnicodeEncodeError as err:
-            if arg == "-":
-                errfile = ""
-            else:
-                errfile = "In '%s', " % arg
+            errfile = "" if arg == "-" else "In '%s', " % arg
             sys.stderr.write(
                 "ERROR: %s%s\n" % (errfile, str(err))
             )
diff --git a/install.py b/install.py
index d496a09..5399d3e 100755
--- a/install.py
+++ b/install.py
@@ -136,12 +136,11 @@ def clean_link(args, linkname, backup=True):
             os.unlink(link_pathname)
 
     elif os.path.exists(link_pathname):
-        if os.path.isdir(link_pathname):
-            if not os.listdir(link_pathname):
-                print("Removing empty directory '{0}'.".format(link_pathname))
-                if not args.dryrun:
-                    os.rmdir(link_pathname)
-                    return
+        if os.path.isdir(link_pathname) and not os.listdir(link_pathname):
+            print("Removing empty directory '{0}'.".format(link_pathname))
+            if not args.dryrun:
+                os.rmdir(link_pathname)
+                return
 
         # The destination exists as a file or dir.  Back it up.
         if backup:
@@ -552,13 +551,13 @@ def xfwm4_remove_key_binding(args, binding):
         binding
     ]
     output = force_run_command(cmdargs)
-    if output.find("does not exist on channel") != -1:
-        if args.verbose:
-            print("Key binding '{0}' already removed.".format(binding))
-    else:
+    if output.find("does not exist on channel") == -1:
         print("Removing key binding '{0}'.".format(binding))
         run_command(args, cmdargs + ["--reset"])
 
+    elif args.verbose:
+        print("Key binding '{0}' already removed.".format(binding))
+
 
 def xfwm4_add_key_binding(args, binding, command):
     """Add a xfwm4 key binding."""
@@ -850,10 +849,10 @@ def main():
     args.is_cygwin = sys.platform == "cygwin"
     args.is_windows = sys.platform.startswith("win")
     args.is_xwindows = (
-        exe_in_path("xterm") and
-        not (args.is_cygwin or args.is_windows)
+        exe_in_path("xterm") and not args.is_cygwin and not args.is_windows
     )
 
+
     # Ensure that directories exist.
     mkdir(args, True, args.cache_dir, 0o700)
     mkdir(args, True, explicit_cache_dir, 0o700)
diff --git a/pythonstartup.py b/pythonstartup.py
index 3220e4a..6dc7d31 100644
--- a/pythonstartup.py
+++ b/pythonstartup.py
@@ -38,8 +38,7 @@ def _history_pathname():
     Default is ~/.python_history, but we are trying to cleanup the
     user's home directory.
     """
-    pathname = os.path.join(xdg_cache_home, "python", "history")
-    return pathname
+    return os.path.join(xdg_cache_home, "python", "history")
 
 
 def _save_history():