code: def lazy_prop(self):
      self.some_variable += 1
      return self.some_variable
  
imports: import pandas
  from pyspark.pandas.indexes.base import Index
  from pyspark.pandas.utils import lazy_property, validate_arguments_and_invoke_function, validate_bool_kwarg, validate_index_loc, validate_mode
  from pyspark.testing.pandasutils import PandasOnSparkTestCase, _assert_pandas_equal, _assert_pandas_almost_equal
  from pyspark.testing.sqlutils import SQLTestUtils
  from pyspark.errors import PySparkAssertionError
label_desc: Use image node_id 2 for calling the TestClassForLazyProp obj's underlying member method code with example usage: obj.lazy_prop() and returns: self