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qutip/qutip

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qutip/entropy.py

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Multiple spaces after operator
Open

    swap13 =  expand_operator(swap(), [2, 2, 2, 2], [1, 3])
Severity: Minor
Found in qutip/entropy.py by pep8

Avoid extraneous whitespace around an operator.

Okay: a = 12 + 3
E221: a = 4  + 5
E222: a = 4 +  5
E223: a = 4\t+ 5
E224: a = 4 +\t5

Ambiguous variable name 'l'
Open

        l = rho_pt.eigenenergies()
Severity: Minor
Found in qutip/entropy.py by pep8

Never use the characters 'l', 'O', or 'I' as variable names.

In some fonts, these characters are indistinguishable from the
numerals one and zero. When tempted to use 'l', use 'L' instead.

Okay: L = 0
Okay: o = 123
Okay: i = 42
E741: l = 0
E741: O = 123
E741: I = 42

Variables can be bound in several other contexts, including class
and function definitions, 'global' and 'nonlocal' statements,
exception handlers, and 'with' and 'for' statements.
In addition, we have a special handling for function parameters.

Okay: except AttributeError as o:
Okay: with lock as L:
Okay: foo(l=12)
Okay: for a in foo(l=12):
E741: except AttributeError as O:
E741: with lock as l:
E741: global I
E741: nonlocal l
E741: def foo(l):
E741: def foo(l=12):
E741: l = foo(l=12)
E741: for l in range(10):
E742: class I(object):
E743: def l(x):

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