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-rw-r--r--sphinx/errors.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/sphinx/errors.py b/sphinx/errors.py
index 4e62b1af1..4738f0cce 100644
--- a/sphinx/errors.py
+++ b/sphinx/errors.py
@@ -50,3 +50,7 @@ class ConfigError(SphinxError):
class ThemeError(SphinxError):
category = 'Theme error'
+
+
+class VersionRequirementError(SphinxError):
+ category = 'Sphinx version error'