Linting fix

Author: henryiii

include/pybind11/iostream.h

@@ -116,11 +116,12 @@ class scoped_ostream_redirect {
     Scoped ostream output redirect with cerr defaults
 
     This class is provided primary to make call_guards easier to make.
-    
+
     .. code_block:: cpp
 
-     m.def("noisy_func", &noisy_func, py::call_guard<scoped_ostream_redirect,
-                                                     scoped_estream_redirect>());   
+     m.def("noisy_func", &noisy_func,
+           py::call_guard<scoped_ostream_redirect,
+                          scoped_estream_redirect>());
 
 \endrst */
 class scoped_estream_redirect : public scoped_ostream_redirect {