class_docstr: Base Class for series
docstr: The interval on which the series is defined
docstr_tok: ["The","interval","on","which","the","series","is","defined"]
code: def interval(self):
      """The interval on which the series is defined"""
      raise NotImplementedError("(%s).interval" % self)
  
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 1 for calling the SeriesBase obj's underlying member method code with example usage: obj.interval() without return types