parameters: (tb, limit=None, file=None)
docstring: Print up to 'limit' stack trace entries from the traceback 'tb'.
  
      If 'limit' is omitted or None, all entries are printed.  If 'file'
      is omitted or None, the output goes to sys.stderr; otherwise
      'file' should be an open file or file-like object with a write()
      method.
docstring_summary: Print up to 'limit' stack trace entries from the traceback 'tb'.
docstring_tokens: Print up to limit stack trace entries from the traceback tb .
function: def print_tb(tb, limit=None, file=None):
      """Print up to 'limit' stack trace entries from the traceback 'tb'.
  
      If 'limit' is omitted or None, all entries are printed.  If 'file'
      is omitted or None, the output goes to sys.stderr; otherwise
      'file' should be an open file or file-like object with a write()
      method.
      """
      if file is None:
          file = sys.stderr
      if limit is None:
          if hasattr(sys, 'tracebacklimit'):
              limit = sys.tracebacklimit
      n = 0
      while tb is not None and (limit is None or n < limit):
          f = tb.tb_frame
          lineno = tb.tb_lineno
          co = f.f_code
          filename = co.co_filename
          name = co.co_name
          _print(file,
                 '  File "%s", line %d, in %s' % (filename, lineno, name))
          linecache.checkcache(filename)
          line = linecache.getline(filename, lineno, f.f_globals)
          if line: _print(file, '    ' + line.strip())
          tb = tb.tb_next
          n = n+1
function_tokens: def print_tb ( tb , limit = None , file = None ) : if file is None : file = sys . stderr if limit is None : if hasattr ( sys , 'tracebacklimit' ) : limit = sys . tracebacklimit n = 0 while tb is not None and ( limit is None or n < limit ) : f = tb . tb_frame lineno = tb . tb_lineno co = f . f_code filename = co . co_filename name = co . co_name _print ( file , '  File "%s", line %d, in %s' % ( filename , lineno , name ) ) linecache . checkcache ( filename ) line = linecache . getline ( filename , lineno , f . f_globals ) if line : _print ( file , '    ' + line . strip ( ) ) tb = tb . tb_next n = n + 1