refactor: change double conditional to one (#3118)

Rodrigo-Novas · pquentin · web-flow · commit af7c78fa30f5 · 2023-09-15T09:17:04.000+02:00
Co-authored-by: Quentin Pradet &lt;quentin.pradet@gmail.com&gt;
diff --git a/src/urllib3/response.py b/src/urllib3/response.py
@@ -878,11 +878,7 @@ def read(
 
         data = self._raw_read(amt)
 
-        flush_decoder = False
-        if amt is None:
-            flush_decoder = True
-        elif amt != 0 and not data:
-            flush_decoder = True
+        flush_decoder = amt is None or (amt != 0 and not data)
 
         if not data and len(self._decoded_buffer) == 0:
             return data
