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make code more PEP8 compliant - rename variable i to more meaningful name - remove naming conflict between global and local names - declare instance variables in class Griffith which are assigned outside of __init__ - use instance variable config within class Griffith instead of global config - reformat to be respect line length standard - indicate unused variables by prefixing those with '_' - rename global variables with upper case letters, HOME_DIR, CONFIG_NAME, CONFIG - add a log.error message on the try-except Exception constructs to report the exception - not all PEP8 topics have been addressed
