E0202
Safety
Error
Method has the same name as an attribute
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E0203
Safety
Error
Access to members before they are defined
E0306
Safety
Error
__repr__ does not return str
E0307
Safety
Critical
__str__ does not return str
E0309
Safety
Critical
__hash__ does not return an int
E0401
Safety
Error
Module that cannot be imported
E0402
Safety
Error
Attempted relative import beyond top-level package
E0601
Safety
Critical
Using variable before assignment
E0701
Safety
Warning
Bad except clauses order
E0702
Safety
Error
Raising int while only classes or instances are allowed
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
W0102
Safety
Error
Dangerous default value as argument
W0128
Safety
Error
Redeclared variable in assignment
W0601
Safety
Error
Global variable used but not defined
W0631
Safety
Error
Loop variable used outside a loop
W0711
Safety
Critical
Operation is raising exception
W1404
Safety
Error
Implicit string concatenation
W1508
Safety
Error
Invalid default value when getting the environment
W1509
Safety
Warning
Using preexec_fn keyword which may be unsafe in the presence of threads
E4702
Safety
Error
Iterated dict is being modified inside for loop body, iterate through a copy of it instead.
W4701
Safety
Critical
Iterated list is being modified inside for loop body
E4703
Safety
Critical
Iterated set is being modified inside for loop body, iterate through a copy of it instead.
W3101
Safety
Error
Missing timeout argument can cause your program to hang indefinitely
W1115
Safety
Error
Non-string value assigned