diff --git a/hypothesis-python/src/hypothesis/internal/conjecture/dfa/lstar.py b/hypothesis-python/src/hypothesis/internal/conjecture/dfa/lstar.py
index f9e23f0eca..fd1e7ee237 100644
--- a/hypothesis-python/src/hypothesis/internal/conjecture/dfa/lstar.py
+++ b/hypothesis-python/src/hypothesis/internal/conjecture/dfa/lstar.py
@@ -16,7 +16,6 @@
 from hypothesis.internal.conjecture.dfa import DFA
 from hypothesis.internal.conjecture.junkdrawer import find_integer
 
-
 """
 This module contains an implementation of the L* algorithm
 for learning a deterministic finite automaton based on an