Merge pull request #133 from hauntsaninja/hauntsaninja-patch-1

[minor] Improve exception chaining
sarugaku · Aug 4, 2023 · 77b256c · 77b256c
2 parents ea4011b + 60004d2
commit 77b256c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/resolvelib/resolvers.py b/src/resolvelib/resolvers.py
@@ -315,7 +315,7 @@ def _backjump(self, causes):
                     broken_state = self._states.pop()
                     name, candidate = broken_state.mapping.popitem()
                 except (IndexError, KeyError):
-                    raise ResolutionImpossible(causes)
+                    raise ResolutionImpossible(causes) from None
                 current_dependencies = {
                     self._p.identify(d)
                     for d in self._p.get_dependencies(candidate)