Minor reformatting

theano/scan_module/scan.py

@@ -391,11 +391,11 @@ def scan(fn,
             if isinstance(outs_info[i], dict):
                 # DEPRECATED :
                 if outs_info[i].get('return_steps', None):
-                    _logger.warning(("Using `return_steps` has been "
-                            "deprecated. Simply select the entries you "
-                            "need using a subtensor. Scan will optimize "
-                            "memory consumption, so do not worry about "
-                            "that."))
+                    _logger.warning(
+                            "Using `return_steps` has been deprecated. "
+                            "Simply select the entries you need using a "
+                            "subtensor. Scan will optimize memory "
+                            "consumption, so do not worry about that.")
                     return_steps[i] = outs_info[i]['return_steps']
                 # END