code: def __init__(self, expected_exception, message, match_expr):
      self.expected_exception = expected_exception
      self.message = message
      self.match_expr = match_expr
      self.excinfo = None
  
imports: from __future__ import absolute_import
  import math
  import pprint
  import sys
  import warnings
  from decimal import Decimal
  from numbers import Number
  from more_itertools.more import always_iterable
  from six.moves import filterfalse
  from six.moves import zip
  import _pytest._code
  from _pytest import deprecated
  from _pytest.compat import isclass
  from _pytest.compat import Iterable
  from _pytest.compat import Mapping
  from _pytest.compat import Sized
  from _pytest.compat import STRING_TYPES
  from _pytest.outcomes import fail
label_desc: Use image node_id 1 to create a new RaisesContext object from inherited base classes: object with example: obj = RaisesContext(expected_exception, message, match_expr)