code: def get_newest_commit_date(self):
          '''
          Get datetime of newest commit involving this file
  
          :returns: Datetime of newest commit
          '''
          newest_commit = self.get_newest_commit()
          return self.git.get_commit_date(newest_commit, self.tz_namef get_newest_commit_date(self):
          '''
          Get datetime of newest commit involving this file
  
          :returns: Datetime of newest commit
          '''
          newest_commit = self.get_newest_commit()
          return self.git.get_commit_date(newest_commit, self.tz_name)
docs: Get datetime of newest commit involving this file
  
          :returns: Datetime of newest commit