def inspect(self, pipeline):
        self.inspect_input_output_ports(pipeline)
        self.inspect_spreadsheet_cells(pipeline)
        self.inspect_ambiguous_modules(pipeline)
Reverse of to_json.
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/inspector.py/PipelineInspector.inspect--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/src/mapreduce/datastore_range_iterators.py/AbstractKeyRangeIterator.from_json