test.robot:5:16 MISC14 'ELSE IF' condition 'not ${status} is ${false}' can be rewritten to '${status} is not ${false}'
   |
 3 |     IF    ${status} is ${TRUE}
 4 |         Log    ${variable}
 5 |     ELSE IF    not ${status} is ${false}
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^ MISC14
 6 |         Log    ${variable}
 7 |         IF    not ${status} is ${NONE}
   |

test.robot:7:15 MISC14 'IF' condition 'not ${status} is ${NONE}' can be rewritten to '${status} is not ${NONE}'
   |
 5 |     ELSE IF    not ${status} is ${false}
 6 |         Log    ${variable}
 7 |         IF    not ${status} is ${NONE}
   |               ^^^^^^^^^^^^^^^^^^^^^^^^ MISC14
 8 |             Log    ${variable}
 9 |         END
   |

test.robot:17:14 MISC14 'WHILE' condition 'not ${status} is ${variable}' can be rewritten to '${status} is not ${variable}'
    |
 15 |
 16 | While condition
 17 |     WHILE    not ${status} is ${variable}    limit=1 min
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ MISC14
 18 |         WHILE    not not ${status} is None
 19 |             Log    ${variable}
    |

test.robot:18:18 MISC14 'WHILE' condition 'not ${status} is None' can be rewritten to '${status} is not None'
    |
 16 | While condition
 17 |     WHILE    not ${status} is ${variable}    limit=1 min
 18 |         WHILE    not not ${status} is None
    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ MISC14
 19 |             Log    ${variable}
 20 |         END
    |

test.robot:31:12 MISC14 'Set Variable If' condition 'not ${status} is None' can be rewritten to '${status} is not None'
    |
 29 |     Set Variable If    len(@{list})
 30 |     ...    value
 31 |     ...    not ${status} is None
    |            ^^^^^^^^^^^^^^^^^^^^^ MISC14
 32 |     ...    value
 33 |     ...    not ${class.attr['item']} is set()
    |

test.robot:33:12 MISC14 'Set Variable If' condition 'not ${class.attr['item']} is set()' can be rewritten to '${class.attr['item']} is not set()'
    |
 31 |     ...    not ${status} is None
 32 |     ...    value
 33 |     ...    not ${class.attr['item']} is set()
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ MISC14
 34 |     ...    value
 35 |     Skip If    ${true}
    |

test.robot:36:16 MISC14 'Skip If' condition 'not ${status} is None' can be rewritten to '${status} is not None'
    |
 34 |     ...    value
 35 |     Skip If    ${true}
 36 |     Skip If    not ${status} is None
    |                ^^^^^^^^^^^^^^^^^^^^^ MISC14
 37 |     Should Be True    not ${status} is None
    |

test.robot:37:23 MISC14 'Should Be True' condition 'not ${status} is None' can be rewritten to '${status} is not None'
    |
 35 |     Skip If    ${true}
 36 |     Skip If    not ${status} is None
 37 |     Should Be True    not ${status} is None
    |                       ^^^^^^^^^^^^^^^^^^^^^ MISC14
    |

Found 8 issues.