Warning Messages

Here we document the warning messages emitted by Pylint.

• W0101 unreachable
• W0102 dangerous-default-value
• W0104 pointless-statement
• W0105 pointless-string-statement
• W0106 expression-not-assigned
• W0107 unnecessary-pass
• W0108 unnecessary-lambda
• W0109 duplicate-key
• W0111 assign-to-new-keyword
• W0120 useless-else-on-loop
• W0122 exec-used
• W0123 eval-used
• W0124 confusing-with-statement
• W0125 using-constant-test
• W0126 missing-parentheses-for-call-in-test
• W0127 self-assigning-variable
• W0128 redeclared-assigned-name
• W0129 assert-on-string-literal
• W0143 comparison-with-callable
• W0150 lost-exception
• W0199 assert-on-tuple
• W0201 attribute-defined-outside-init
• W0211 bad-staticmethod-argument
• W0212 protected-access
• W0221 arguments-differ
• W0222 signature-differs
• W0223 abstract-method
• W0231 super-init-not-called
• W0232 no-init
• W0233 non-parent-init-called
• W0235 useless-super-delegation
• W0236 invalid-overridden-method
• W0301 unnecessary-semicolon
• W0311 bad-indentation
• W0312 mixed-indentation
• W0401 wildcard-import
• W0402 deprecated-module
• W0404 reimported
• W0406 import-self
• W0407 preferred-module
• W0410 misplaced-future
• W0511 fixme
• W0601 global-variable-undefined
• W0602 global-variable-not-assigned
• W0603 global-statement
• W0604 global-at-module-level
• W0611 unused-import
• W0612 unused-variable
• W0613 unused-argument
• W0614 unused-wildcard-import
• W0621 redefined-outer-name
• W0622 redefined-builtin
• W0623 redefine-in-handler
• W0631 undefined-loop-variable
• W0632 unbalanced-tuple-unpacking
• W0640 cell-var-from-loop
• W0641 possibly-unused-variable
• W0642 self-cls-assignment
• W0702 bare-except
• W0703 broad-except
• W0705 duplicate-except
• W0706 try-except-raise
• W0707 raise-missing-from
• W0711 binary-op-exception
• W0715 raising-format-tuple
• W0716 wrong-exception-operation
• W1113 keyword-arg-before-vararg
• W1114 arguments-out-of-order
• W1115 non-str-assignment-to-dunder-name
• W1116 isinstance-second-argument-not-valid-type
• W1201 logging-not-lazy
• W1202 logging-format-interpolation
• W1203 logging-fstring-interpolation
• W1300 bad-format-string-key
• W1301 unused-format-string-key
• W1302 bad-format-string
• W1303 missing-format-argument-key
• W1304 unused-format-string-argument
• W1305 format-combined-specification
• W1306 missing-format-attribute
• W1307 invalid-format-index
• W1308 duplicate-string-formatting-argument
• W1309 f-string-without-interpolation
• W1401 anomalous-backslash-in-string
• W1402 anomalous-unicode-escape-in-string
• W1403 implicit-str-concat-in-sequence
• W1404 implicit-str-concat
• W1405 inconsistent-quotes
• W1501 bad-open-mode
• W1502 boolean-datetime
• W1503 redundant-unittest-assert
• W1505 deprecated-method
• W1506 bad-thread-instantiation
• W1507 shallow-copy-environ
• W1508 invalid-envvar-default
• W1509 subprocess-popen-preexec-fn
• W1510 subprocess-run-check
• W1601 apply-builtin
• W1602 basestring-builtin
• W1603 buffer-builtin
• W1604 cmp-builtin
• W1605 coerce-builtin
• W1606 execfile-builtin
• W1607 file-builtin
• W1608 long-builtin
• W1609 raw_input-builtin
• W1610 reduce-builtin
• W1611 standarderror-builtin
• W1612 unicode-builtin
• W1613 xrange-builtin
• W1614 coerce-method
• W1615 delslice-method
• W1616 getslice-method
• W1617 setslice-method
• W1618 no-absolute-import
• W1619 old-division
• W1620 dict-iter-method
• W1621 dict-view-method
• W1622 next-method-called
• W1623 metaclass-assignment
• W1624 indexing-exception
• W1625 raising-string
• W1626 reload-builtin
• W1627 oct-method
• W1628 hex-method
• W1629 nonzero-method
• W1630 cmp-method
• W1632 input-builtin
• W1633 round-builtin
• W1634 intern-builtin
• W1635 unichr-builtin
• W1636 map-builtin-not-iterating
• W1637 zip-builtin-not-iterating
• W1638 range-builtin-not-iterating
• W1639 filter-builtin-not-iterating
• W1640 using-cmp-argument
• W1641 eq-without-hash
• W1642 div-method
• W1643 idiv-method
• W1644 rdiv-method
• W1645 exception-message-attribute
• W1646 invalid-str-codec
• W1647 sys-max-int
• W1648 bad-python3-import
• W1649 deprecated-string-function
• W1650 deprecated-str-translate-call
• W1651 deprecated-itertools-function
• W1652 deprecated-types-field
• W1653 next-method-defined
• W1654 dict-items-not-iterating
• W1655 dict-keys-not-iterating
• W1656 dict-values-not-iterating
• W1657 deprecated-operator-function
• W1658 deprecated-urllib-function
• W1659 xreadlines-attribute
• W1660 deprecated-sys-function
• W1661 exception-escape
• W1662 comprehension-escape