code: def install_package_to_venv(self):
          '''
          Installs package given as first argument to virtualenv without
          dependencies
          '''
          try:
              self.env.install(self.name, force=True, options=["--no-deps"])
          except (ve.PackageInstallationException,
                  ve.VirtualenvReadonlyException):
              raise VirtualenvFailException(
                  'Failed to install package to virtualenv')
          self.dirs_after_install.fill(self.temp_dir + '/venv/'f install_package_to_venv(self):
          '''
          Installs package given as first argument to virtualenv without
          dependencies
          '''
          try:
              self.env.install(self.name, force=True, options=["--no-deps"])
          except (ve.PackageInstallationException,
                  ve.VirtualenvReadonlyException):
              raise VirtualenvFailException(
                  'Failed to install package to virtualenv')
          self.dirs_after_install.fill(self.temp_dir + '/venv/')
docs: Installs package given as first argument to virtualenv without
          dependencies