diff --git a/exercises.py b/exercises.py
index 6358b05a..bc8a44e9 100644
--- a/exercises.py
+++ b/exercises.py
@@ -5,12 +5,14 @@
 def discovery_perf():
     "discovery"
     import importlib_metadata  # end warmup
+
     importlib_metadata.distribution('ipython')
 
 
 def entry_points_perf():
     "entry_points()"
     import importlib_metadata  # end warmup
+
     importlib_metadata.entry_points()
 
 
@@ -18,6 +20,7 @@ def entry_points_perf():
 def cached_distribution_perf():
     "cached distribution"
     import importlib_metadata
+
     importlib_metadata.distribution('ipython')  # end warmup
     importlib_metadata.distribution('ipython')
 
@@ -27,6 +30,7 @@ def uncached_distribution_perf():
     "uncached distribution"
     import importlib
     import importlib_metadata
+
     # end warmup
     importlib.invalidate_caches()
     importlib_metadata.distribution('ipython')