Add standard library urllib

README.md

@@ -21,6 +21,7 @@ Standard library
 - [socket](#socket)
 - [subprocess](#subprocess)
 - [telnetlib](#telnetlib)
+- [urllib](#urllib)
 
 PyPI
 
@@ -125,6 +126,15 @@ Telnet(host, timeout=1)
 
 Raises `socket.timeout`
 
+### urllib
+
+```python
+req = Request(url)
+urlopen(req, timeout=1)
+```
+
+Raises `urllib.error.URLError`
+
 ## PyPI
 
 ### aiohttp

tests/test_urllib.py

@@ -0,0 +1,10 @@
+from .conftest import TestTimeouts
+from urllib.request import Request, urlopen
+from urllib.error import URLError
+
+
+class TestRequests(TestTimeouts):
+    def test_urlopen(self):
+        with self.raises(URLError):
+            req = Request(self.connect_url())
+            urlopen(req, timeout=1)