rm extra whitespace in python, per PEP8
diff --git a/devtools/antglob.py b/devtools/antglob.py
index 8b7b4ca..afd4c48 100644
--- a/devtools/antglob.py
+++ b/devtools/antglob.py
@@ -54,9 +54,9 @@
 ALL_NO_LINK = DIR | FILE
 ALL = DIR | FILE | LINKS
 
-_ANT_RE = re.compile( r'(/\*\*/)|(\*\*/)|(/\*\*)|(\*)|(/)|([^\*/]*)' )
+_ANT_RE = re.compile(r'(/\*\*/)|(\*\*/)|(/\*\*)|(\*)|(/)|([^\*/]*)')
 
-def ant_pattern_to_re( ant_pattern ):
+def ant_pattern_to_re(ant_pattern):
     """Generates a regular expression from the ant pattern.
     Matching convention:
     **/a: match 'a', 'dir/a', 'dir1/dir2/a'
@@ -65,30 +65,30 @@
     """
     rex = ['^']
     next_pos = 0
-    sep_rex = r'(?:/|%s)' % re.escape( os.path.sep )
+    sep_rex = r'(?:/|%s)' % re.escape(os.path.sep)
 ##    print 'Converting', ant_pattern
-    for match in _ANT_RE.finditer( ant_pattern ):
+    for match in _ANT_RE.finditer(ant_pattern):
 ##        print 'Matched', match.group()
 ##        print match.start(0), next_pos
         if match.start(0) != next_pos:
-            raise ValueError( "Invalid ant pattern" )
+            raise ValueError("Invalid ant pattern")
         if match.group(1): # /**/
-            rex.append( sep_rex + '(?:.*%s)?' % sep_rex )
+            rex.append(sep_rex + '(?:.*%s)?' % sep_rex)
         elif match.group(2): # **/
-            rex.append( '(?:.*%s)?' % sep_rex )
+            rex.append('(?:.*%s)?' % sep_rex)
         elif match.group(3): # /**
-            rex.append( sep_rex + '.*' )
+            rex.append(sep_rex + '.*')
         elif match.group(4): # *
-            rex.append( '[^/%s]*' % re.escape(os.path.sep) )
+            rex.append('[^/%s]*' % re.escape(os.path.sep))
         elif match.group(5): # /
-            rex.append( sep_rex )
+            rex.append(sep_rex)
         else: # somepath
-            rex.append( re.escape(match.group(6)) )
+            rex.append(re.escape(match.group(6)))
         next_pos = match.end()
     rex.append('$')
-    return re.compile( ''.join( rex ) )
+    return re.compile(''.join(rex))
 
-def _as_list( l ):
+def _as_list(l):
     if isinstance(l, basestring):
         return l.split()
     return l
@@ -105,37 +105,37 @@
     dir_path = dir_path.replace('/',os.path.sep)
     entry_type_filter = entry_type
 
-    def is_pruned_dir( dir_name ):
+    def is_pruned_dir(dir_name):
         for pattern in prune_dirs:
-            if fnmatch.fnmatch( dir_name, pattern ):
+            if fnmatch.fnmatch(dir_name, pattern):
                 return True
         return False
 
-    def apply_filter( full_path, filter_rexs ):
+    def apply_filter(full_path, filter_rexs):
         """Return True if at least one of the filter regular expression match full_path."""
         for rex in filter_rexs:
-            if rex.match( full_path ):
+            if rex.match(full_path):
                 return True
         return False
 
-    def glob_impl( root_dir_path ):
+    def glob_impl(root_dir_path):
         child_dirs = [root_dir_path]
         while child_dirs:
             dir_path = child_dirs.pop()
-            for entry in listdir( dir_path ):
-                full_path = os.path.join( dir_path, entry )
+            for entry in listdir(dir_path):
+                full_path = os.path.join(dir_path, entry)
 ##                print 'Testing:', full_path,
-                is_dir = os.path.isdir( full_path )
-                if is_dir and not is_pruned_dir( entry ): # explore child directory ?
+                is_dir = os.path.isdir(full_path)
+                if is_dir and not is_pruned_dir(entry): # explore child directory ?
 ##                    print '===> marked for recursion',
-                    child_dirs.append( full_path )
-                included = apply_filter( full_path, include_filter )
-                rejected = apply_filter( full_path, exclude_filter )
+                    child_dirs.append(full_path)
+                included = apply_filter(full_path, include_filter)
+                rejected = apply_filter(full_path, exclude_filter)
                 if not included or rejected: # do not include entry ?
 ##                    print '=> not included or rejected'
                     continue
-                link = os.path.islink( full_path )
-                is_file = os.path.isfile( full_path )
+                link = os.path.islink(full_path)
+                is_file = os.path.isfile(full_path)
                 if not is_file and not is_dir:
 ##                    print '=> unknown entry type'
                     continue
@@ -146,57 +146,57 @@
 ##                print '=> type: %d' % entry_type, 
                 if (entry_type & entry_type_filter) != 0:
 ##                    print ' => KEEP'
-                    yield os.path.join( dir_path, entry )
+                    yield os.path.join(dir_path, entry)
 ##                else:
 ##                    print ' => TYPE REJECTED'
-    return list( glob_impl( dir_path ) )
+    return list(glob_impl(dir_path))
 
 
 if __name__ == "__main__":
     import unittest
 
     class AntPatternToRETest(unittest.TestCase):
-##        def test_conversion( self ):
-##            self.assertEqual( '^somepath$', ant_pattern_to_re( 'somepath' ).pattern )
+##        def test_conversion(self):
+##            self.assertEqual('^somepath$', ant_pattern_to_re('somepath').pattern)
 
-        def test_matching( self ):
-            test_cases = [ ( 'path',
+        def test_matching(self):
+            test_cases = [ ('path',
                              ['path'],
-                             ['somepath', 'pathsuffix', '/path', '/path'] ),
-                           ( '*.py',
+                             ['somepath', 'pathsuffix', '/path', '/path']),
+                           ('*.py',
                              ['source.py', 'source.ext.py', '.py'],
-                             ['path/source.py', '/.py', 'dir.py/z', 'z.pyc', 'z.c'] ),
-                           ( '**/path',
+                             ['path/source.py', '/.py', 'dir.py/z', 'z.pyc', 'z.c']),
+                           ('**/path',
                              ['path', '/path', '/a/path', 'c:/a/path', '/a/b/path', '//a/path', '/a/path/b/path'],
-                             ['path/', 'a/path/b', 'dir.py/z', 'somepath', 'pathsuffix', 'a/somepath'] ),
-                           ( 'path/**',
+                             ['path/', 'a/path/b', 'dir.py/z', 'somepath', 'pathsuffix', 'a/somepath']),
+                           ('path/**',
                              ['path/a', 'path/path/a', 'path//'],
-                             ['path', 'somepath/a', 'a/path', 'a/path/a', 'pathsuffix/a'] ),
-                           ( '/**/path',
+                             ['path', 'somepath/a', 'a/path', 'a/path/a', 'pathsuffix/a']),
+                           ('/**/path',
                              ['/path', '/a/path', '/a/b/path/path', '/path/path'],
-                             ['path', 'path/', 'a/path', '/pathsuffix', '/somepath'] ),
-                           ( 'a/b',
+                             ['path', 'path/', 'a/path', '/pathsuffix', '/somepath']),
+                           ('a/b',
                              ['a/b'],
-                             ['somea/b', 'a/bsuffix', 'a/b/c'] ),
-                           ( '**/*.py',
+                             ['somea/b', 'a/bsuffix', 'a/b/c']),
+                           ('**/*.py',
                              ['script.py', 'src/script.py', 'a/b/script.py', '/a/b/script.py'],
-                             ['script.pyc', 'script.pyo', 'a.py/b'] ),
-                           ( 'src/**/*.py',
+                             ['script.pyc', 'script.pyo', 'a.py/b']),
+                           ('src/**/*.py',
                              ['src/a.py', 'src/dir/a.py'],
-                             ['a/src/a.py', '/src/a.py'] ),
+                             ['a/src/a.py', '/src/a.py']),
                            ]
             for ant_pattern, accepted_matches, rejected_matches in list(test_cases):
-                def local_path( paths ):
+                def local_path(paths):
                     return [ p.replace('/',os.path.sep) for p in paths ]
-                test_cases.append( (ant_pattern, local_path(accepted_matches), local_path( rejected_matches )) )
+                test_cases.append((ant_pattern, local_path(accepted_matches), local_path(rejected_matches)))
             for ant_pattern, accepted_matches, rejected_matches in test_cases:
-                rex = ant_pattern_to_re( ant_pattern )
+                rex = ant_pattern_to_re(ant_pattern)
                 print('ant_pattern:', ant_pattern, ' => ', rex.pattern)
                 for accepted_match in accepted_matches:
                     print('Accepted?:', accepted_match)
-                    self.assertTrue( rex.match( accepted_match ) is not None )
+                    self.assertTrue(rex.match(accepted_match) is not None)
                 for rejected_match in rejected_matches:
                     print('Rejected?:', rejected_match)
-                    self.assertTrue( rex.match( rejected_match ) is None )
+                    self.assertTrue(rex.match(rejected_match) is None)
 
     unittest.main()