Fix logic that broke in rebase

HypothesisWorks · Dec 16, 2019 · 902ac47 · 902ac47
1 parent 4d4e05c
commit 902ac47
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/hypothesis-python/src/hypothesis/internal/conjecture/optimiser.py b/hypothesis-python/src/hypothesis/internal/conjecture/optimiser.py
@@ -181,20 +181,21 @@ def attempt_to_improve(self, example_index, upwards):
         # it will take too long to complete.
         if self.random.randint(0, 1):
             if upwards:
-                replacement_range = (existing_as_int + 1, max_int_value)
+                replacement_as_int = self.random.randint(
+                    existing_as_int + 1, max_int_value
+                )
             else:
-                replacement_range = (0, existing_as_int - 1)
-            replacement_as_int = self.random.randint(*replacement_range)
+                replacement_as_int = self.random.randint(0, existing_as_int - 1)
         elif upwards:
             replacement_as_int = existing_as_int + 1
         else:
             replacement_as_int = existing_as_int - 1
 
         replacement = int_to_bytes(replacement_as_int, len(existing))
 
-        prefix + replacement + suffix
-
-        attempt = self.engine.cached_test_function(prefix, extend=BUFFER_SIZE,)
+        attempt = self.engine.cached_test_function(
+            prefix + replacement + suffix, extend=BUFFER_SIZE,
+        )
 
         if self.consider_new_test_data(attempt):
             return True