code: def test_repr_deep(self):
      d = self._empty_mapping()
      for i in range(Py_C_RECURSION_LIMIT + 1):
          d0 = d
          d = self._empty_mapping()
          d[1] = d0
      self.assertRaises(RecursionError, repr, d)
  
imports: import unittest
  import collections
  from test.support import Py_C_RECURSION_LIMIT
label_desc: Use image node_id 6 for calling the TestHashMappingProtocol obj's underlying member method code with example usage: obj.test_repr_deep() without return types