message: style: remove useless parens on if
diff: @@ -1283,7 +1283,7 @@ class BaseNode(object, metaclass = _BaseNodeType):
  def dot(self, marks):
  """Print a dot representation of this nodes build graph."""
  - if (self in marks):
  + if self in marks:
  return True
  marks[self] = None
  print(' node_%s [label="%s"]' % (self.uid, self.__name))
  @@ -2079,7 +2079,7 @@ class Builder:
  isinstance(res, float):
  for dst in self.__targets:
  if dst.mtime_local <= res:
  - if (dst.touch(res)):
  + if dst.touch(res):
  print('Adjust mtime of %s' % dst)
  if execute:
  self._execute(depfile_builder)
  @@ -2254,7 +2254,7 @@ class Builder:
  def dot(self, marks):
  """Print a dot representation of the build graph."""
  - if (self in marks):
  + if self in marks:
  return True
  marks[self] = None
  @@ -4035,7 +4035,7 @@ class TarballExtractor(ArchiveExtractor):
  '''Move the extracted files to the destination.'''
  for f in _OS.listdir(str(tmp)):
  destination = str(drake.path_build(self.destination / f))
  - if (_OS.path.exists(destination)):
  + if _OS.path.exists(destination):
  shutil.rmtree(destination)
  shutil.move(str(tmp / f), destination)
  