diff --git a/freqtrade/optimize/hyperopt_tools.py b/freqtrade/optimize/hyperopt_tools.py
index 92ec6f194..742db07cc 100755
--- a/freqtrade/optimize/hyperopt_tools.py
+++ b/freqtrade/optimize/hyperopt_tools.py
@@ -114,7 +114,8 @@ class HyperoptTools():
             if len(space_non_optimized) > 0:
                 for non_optimized_param in space_non_optimized:
                     if non_optimized_param not in all_space_params:
-                        all_space_params[non_optimized_param] = space_non_optimized[non_optimized_param]
+                        all_space_params[non_optimized_param] = \
+                            space_non_optimized[non_optimized_param]
 
             if space in ['buy', 'sell']:
                 result_dict.setdefault('params', {}).update(all_space_params)