Traceback (most recent call last):


 "...\.venv\lib\site-packages\IPython\core\interactiveshell.py", line 3437, in run_code

exec(code_obj, self.user_global_ns, self.user_ns)


 "<ipython-input-23-ad1bd734b250>", line 8, in <module>

.run_async(pipe_stdin=True)
TypeError: cannot unpack non-iterable Popen object

Traceback (most recent call last):


 "/databricks/python/lib/python3.7/site-packages/great_expectations/validation_operators/validation_operators.py", line 170, in _run_actions

data_asset=batch


 "/databricks/python/lib/python3.7/site-packages/great_expectations/validation_operators/actions.py", line 46, in run

return self._run(validation_result_suite, validation_result_suite_identifier, data_asset, **kwargs)


 "/databricks/python/lib/python3.7/site-packages/great_expectations/validation_operators/actions.py", line 240, in _run

resource_identifiers=[validation_result_suite_identifier]


 "/databricks/python/lib/python3.7/site-packages/great_expectations/data_context/data_context.py", line 1645, in build_data_docs

index_page_locator_info = site_builder.build(resource_identifiers)[0]


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/site_builder.py", line 209, in build

resource_identifiers=resource_identifiers


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/site_builder.py", line 299, in build

rendered_content = self.renderer_class.render(resource)


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/page_renderer.py", line 102, in render

) for column in ordered_columns


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/page_renderer.py", line 102, in <listcomp>

) for column in ordered_columns


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/column_section_renderer.py", line 655, in render

remaining_evrs, content_block = self._render_table(remaining_evrs)


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/column_section_renderer.py", line 645, in _render_table

include_column_name=False


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/content_block/content_block.py", line 43, in render

**kwargs


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/content_block/validation_results_table_content_block.py", line 362, in row_generator_fn

observed_value = [cls._get_observed_value(evr)]


 "/databricks/python/lib/python3.7/site-packages/great_expectations/render/renderer/content_block/validation_results_table_content_block.py", line 333, in _get_observed_value

return num_to_str(100 - null_percent, precision=5, use_locale=True) + "% not null"
TypeError: unsupported operand type(s) for -: 'int' and 'NoneType'
