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32 lines
987 B
XML
32 lines
987 B
XML
<!DOCTYPE qhelp PUBLIC
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"-//Semmle//qhelp//EN"
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"qhelp.dtd">
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<qhelp>
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<overview>
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<p> A local variable is defined (by an assignment) but never used.
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</p>
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<include src="UnusedVariableNaming.inc.qhelp" />
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<include src="UnusedTuple.inc.qhelp" />
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</overview>
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<recommendation>
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<p>If the variable is included for documentation purposes or is otherwise intentionally unused, then change its name to indicate that it is unused,
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otherwise delete the assignment (taking care not to delete right hand side if it has side effects).</p>
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</recommendation>
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<example>
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<p>In this example, the <code>random_no</code> variable is never read but its assignment
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has a side effect. Because of this it is important to remove only the left hand side of the
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assignment in line 10.</p>
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<sample src="UnusedLocalVariable.py" />
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</example>
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<references>
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<li>Python: <a href="http://docs.python.org/2/reference/simple_stmts.html#assignment-statements">Assignment statements</a>.</li>
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</references>
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</qhelp>
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