Fix float("inf") timeouts (#846)

* Fix float timeouts in synchronous event

* Changelog

Author: karpetrosyan

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## Unreleased
+
+- Fix `float("inf")` timeouts in `Event.wait` function. (#846)
+
 ## 1.0.1 (November 3rd, 2023)
 
 - Fix pool timeout to account for the total time spent retrying. (#823)

httpcore/_synchronization.py

@@ -226,6 +226,8 @@ def set(self) -> None:
         self._event.set()
 
     def wait(self, timeout: Optional[float] = None) -> None:
+        if timeout == float("inf"):  # pragma: no cover
+            timeout = None
         if not self._event.wait(timeout=timeout):
             raise PoolTimeout()  # pragma: nocover