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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_schema():
 """Get the schema for validation"""

        schema_path = os.path.join(os.path.dirname(__file__),
                                   'schema', 'scheduling_block_schema.json')
        with open(schema_path, 'r') as file:
            schema_data = file.read()
        schema = json.loads(schema_data)
        return schema