1 files changed, 19 insertions, 0 deletions
diff --git a/lib/ansible/galaxy/dependency_resolution/errors.py b/lib/ansible/galaxy/dependency_resolution/errors.py
new file mode 100644
index 0000000..ae3b439
--- /dev/null
+++ b/lib/ansible/galaxy/dependency_resolution/errors.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Copyright: (c) 2020-2021, Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+"""Dependency resolution exceptions."""
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+try:
+    from resolvelib.resolvers import (
+        ResolutionImpossible as CollectionDependencyResolutionImpossible,
+        InconsistentCandidate as CollectionDependencyInconsistentCandidate,
+    )
+except ImportError:
+    class CollectionDependencyResolutionImpossible(Exception):  # type: ignore[no-redef]
+        pass
+
+    class CollectionDependencyInconsistentCandidate(Exception):  # type: ignore[no-redef]
+        pass