class_docstr: Base Class for series
code: def _eval_term(self, pt):
      raise NotImplementedError(
          "The _eval_term method should be added to"
          "%s to return series term so it is available"
          "when 'term' calls it." % self.func
      )
  
file_path: sympy/sympy/series/series_class.py
imports: from sympy.core.expr import Expr
  from sympy.core.singleton import S
  from sympy.core.cache import cacheit
label_desc: Use image node_id 8 for calling the SeriesBase obj's underlying member method code with example usage: obj._eval_term(pt) without return types