docstr: The line where the definition occurs (starting with 1).
docstr_tok: ["The","line","where","the","definition","occurs","(","starting","with","1",")","."]
code: def line(self):
      """The line where the definition occurs (starting with 1)."""
      start_pos = self._name.start_pos
      if start_pos is None:
          return None
      return start_pos[0]
  
imports: import re
  from parso.python.tree import search_ancestor
  from jedi import settings
  from jedi.evaluate.utils import ignored, unite
  from jedi.cache import memoize_method
  from jedi.evaluate import imports
  from jedi.evaluate import compiled
  from jedi.evaluate.imports import ImportName
  from jedi.evaluate.context import instance
  from jedi.evaluate.context import ClassContext, FunctionExecutionContext
  from jedi.api.keywords import KeywordName
label_desc: Use image node_id 7 for calling the BaseDefinition obj's underlying member method code with example usage: obj.line() and returns: start_pos, None