E0307
Safety
Critical
__str__ does not return str
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Python rules
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E0309
Safety
Critical
__hash__ does not return an int
E0601
Safety
Critical
Using variable before assignment
E0712
Safety
Critical
Catching an exception which doesn't inherit from Exception.
E1101
Safety
Critical
Detect members or attributes that do not exists
E1111
Safety
Critical
Assigning result of a function call with no return
E1120
Safety
Critical
No value for argument in function call
E1128
Safety
Critical
Assigning result of a function call that returns nothing but None.
E1137
Safety
Critical
Unsupported assignment operation
E1138
Safety
Critical
Unsupported delete operation
W0711
Safety
Critical
Operation is raising exception