docs: def parse_regions(self, path):
          """ Given a file path, it loads it into memory as a Pandas dataframe
  
          :param path: file path
          :return: a Pandas Dataframe
          """
          if self.schema_format.lower() == GTF.lower():
              res = self._parse_gtf_regions(path)
          else:
              res = self._parse_tab_regions(path)
          return res