class_docstr: An exception ready for rendering.
  
  The traceback module captures enough attributes from the original exception
  to this intermediary form to ensure that no references are held, while
  still being able to fully print or format it.
  
  max_group_width and max_group_depth control the formatting of exception
  groups. The depth refers to the nesting level of the group, and the width
  refers to the size of a single exception group's exceptions array. The
  formatted output is truncated when either limit is exceeded.
  
  Use `from_exception` to create TracebackException instances from exception
  objects, or the constructor to create TracebackException instances from
  individual components.
  
  - :attr:`__cause__` A TracebackException of the original *__cause__*.
  - :attr:`__context__` A TracebackException of the original *__context__*.
  - :attr:`exceptions` For exception groups - a list of TracebackException
    instances for the nested *exceptions*.  ``None`` for other exceptions.
  - :attr:`__suppress_context__` The *__suppress_context__* value from the
    original exception.
  - :attr:`stack` A `StackSummary` representing the traceback.
  - :attr:`exc_type` The class of the original traceback.
  - :attr:`filename` For syntax errors - the filename where the error
    occurred.
  - :attr:`lineno` For syntax errors - the linenumber where the error
    occurred.
  - :attr:`end_lineno` For syntax errors - the end linenumber where the error
    occurred. Can be `None` if not present.
  - :attr:`text` For syntax errors - the text where the error
    occurred.
  - :attr:`offset` For syntax errors - the offset into the text where the
    error occurred.
  - :attr:`end_offset` For syntax errors - the end offset into the text where
    the error occurred. Can be `None` if not present.
  - :attr:`msg` For syntax errors - the compiler error message.
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docstr: Private API. force all lines in the stack to be loaded.
code: def _load_lines(self):
      """Private API. force all lines in the stack to be loaded."""
      for frame in self.stack:
          frame.line
  
imports: import collections.abc
  import itertools
  import linecache
  import sys
  import textwrap
  from contextlib import suppress
label_desc: Use image node_id 3 for calling the TracebackException obj's underlying member method code with example usage: obj._load_lines() without return types