Concise URL instantiation. (#3364)

diff --git a/httpx/_models.py b/httpx/_models.py
index 01d9583bc5edd0e16fa1e8eadddd32e6039d762f..2ff22b487685d5c7e12b5b9a152e97fd17f72cac 100644 (file)
--- a/httpx/_models.py
+++ b/httpx/_models.py
@@ -328,9 +328,7 @@ class Request:
             if isinstance(method, bytes)
             else method.upper()
         )
-        self.url = URL(url)
-        if params is not None:
-            self.url = self.url.copy_merge_params(params=params)
+        self.url = URL(url) if params is None else URL(url, params=params)
         self.headers = Headers(headers)
         self.extensions = {} if extensions is None else extensions