fix bug in suggest_decorator_index

Technologicat · Technologicat · commit b35d782b560e · 2020-08-28T04:33:46.000+03:00
diff --git a/unpythonic/syntax/util.py b/unpythonic/syntax/util.py
@@ -358,11 +358,12 @@ def cummax(lst):
         return 0
     if targetpri > knownpris[-1]:
         return len(decorator_list)
+    assert knownpris[0] <= targetpri <= knownpris[-1]
     for pri, dname in zip(knownpris, knownnames):
-        if targetpri >= pri:
+        if pri >= targetpri:
             break
     else:
-        return None
+        assert False  # pragma: no cover
     return names.index(dname)
 
 def eliminate_ifones(body):
