Add timeout to stream with testing

Fixes Issue #1803

requests/adapters.py

@@ -310,10 +310,7 @@ class HTTPAdapter(BaseAdapter):
 
         chunked = not (request.body is None or 'Content-Length' in request.headers)
 
-        if stream:
-            timeout = TimeoutSauce(connect=timeout)
-        else:
-            timeout = TimeoutSauce(connect=timeout, read=timeout)
+        timeout = TimeoutSauce(connect=timeout, read=timeout)
 
         try:
             if not chunked:

test_requests.py

@@ -1170,6 +1170,15 @@ class TestMorselToCookieMaxAge(unittest.TestCase):
         with pytest.raises(TypeError):
             morsel_to_cookie(morsel)
 
+class TestTimeout:
+    def test_stream_timeout(self):
+        try:
+            r = requests.get('https://httpbin.org/delay/10', timeout=5.0)
+        except requests.exceptions.Timeout as e:
+            assert 'Read timed out' in e.args[0].args[0]
+
 
 if __name__ == '__main__':
     unittest.main()
+
+