docs: def InstallGRR(self, path):
      """Installs GRR."""
  
      cmd64 = [self.pip64, "install"]
      cmd32 = [self.pip32, "install"]
  
      if args.wheel_dir:
        cmd64 += ["--no-index", r"--find-links=file:///%s" % args.wheel_dir]
        cmd32 += ["--no-index", r"--find-links=file:///%s" % args.wheel_dir]
  
      cmd64.append(path)
      cmd32.append(path)
  
      subprocess.check_call(cmd64)
      if args.build_32:
        subprocess.check_call(cmd32)