Fix PEP8: E122 continuation line missing indentation or outdented
E123 closing bracket does not match indentation of opening bracket's line
E124 closing bracket does not match visual indentation
E125 continuation line does not distinguish itself from next logical line
Fix PEP8: E126 continuation line over-indented for hanging indent
E127 continuation line over-indented for visual indent
E128 continuation line under-indented for visual indent
Lower PEP8 threshold to 15 violations
Remove orphaned code
Fix Pylint: C0103: (invalid-name)

Command.handle: Invalid name "d" for type variable
(should match [a-z_][a-z0-9_]{2,30}$)
Fix PEP8: E502 the backslash is redundant between brackets
Fix Pylint: W0201: attribute-defined-outside-init

LoginEnrollmentTestCase.setup_user: Attribute 'user' defined outside __init__
Fix Pylint: W0110: (deprecated-lambda)

divide_chemical_expression: map/filter on lambda could be replaced by
comprehension
Lower PyLint threshold to 4600 violations