Read content in Session.send instead of Adapter.send.

requests/adapters.py

@@ -385,9 +385,4 @@ class HTTPAdapter(BaseAdapter):
             else:
                 raise
 
-        r = self.build_response(request, resp)
-
-        if not stream:
-            r.content
-
-        return r
+        return self.build_response(request, resp)

requests/sessions.py

@@ -592,6 +592,9 @@ class Session(SessionRedirectMixin):
             r = history.pop()
             r.history = history
 
+        if not stream:
+            r.content
+
         return r
 
     def get_adapter(self, url):