/** The key of the message: Update */
    public static final String LABELS_LOGIN_UPDATE = "{labels.login.update}";

    /**
     * Assert the property is not null.
     * @param property The value of the property. (NotNull)
     */
    protected void assertPropertyNotNull(String property) {
        if (property == null) {

</p>

<pre>
x.(T)
</pre>

<p>
asserts that <code>x</code> is not <code>nil</code>
and that the value stored in <code>x</code> is of type <code>T</code>.
The notation <code>x.(T)</code> is called a <i>type assertion</i>.
</p>
<p>
More precisely, if <code>T</code> is not an interface type, <code>x.(T)</code> asserts
that the dynamic type of <code>x</code> is <a href="#Type_identity">identical</a>

,"exec","getElementById","id","getElementsByTagName","getElementsByClassName","testContext","scope","tokenize","toSelector","join","querySelectorAll","qsaError","removeAttribute","select","keys","cache","key","cacheLength","shift","markFunction","assert","el","createInputPseudo","createButtonPseudo","createDisabledPseudo","isDisabled","createPositionalPseudo","argument","matchIndexes","subWindow","webkitMatchesSelector","msMatchesSelector","defaultView","top","addEventListener","getById","getEle...

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* Fix mypy error after merging PR #415. PR [#462](https://github.com/tiangolo/fastapi/pull/462).

## 0.35.0

* Fix typo in routing `assert`. PR [#419](https://github.com/tiangolo/fastapi/pull/419) by [@pablogamboa](https://github.com/pablogamboa).
* Fix typo in docs. PR [#411](https://github.com/tiangolo/fastapi/pull/411) by [@bronsen](https://github.com/bronsen).