Fix Draft2020-12Validator's name to be Draft202012Validator.

2 files changed, 11 insertions, 1 deletions

diff --git a/jsonschema/tests/test_validators.py b/jsonschema/tests/test_validators.py
index 65969bd..820952d 100644
--- a/jsonschema/tests/test_validators.py
+++ b/jsonschema/tests/test_validators.py
@@ -84,6 +84,14 @@ class TestCreateAndExtend(SynchronousTestCase):
         self.addCleanup(validators.meta_schemas.pop, "something")
         self.assertEqual(Validator.__name__, "MyVersionValidator")
 
+    def test_dashes_are_stripped_from_validator_names(self):
+        Validator = validators.create(
+            meta_schema={u"$id": "something"},
+            version="foo-bar",
+        )
+        self.addCleanup(validators.meta_schemas.pop, "something")
+        self.assertEqual(Validator.__name__, "FooBarValidator")
+
     def test_if_a_version_is_not_provided_it_is_not_registered(self):
         original = dict(validators.meta_schemas)
         validators.create(meta_schema={u"id": "id"})
diff --git a/jsonschema/validators.py b/jsonschema/validators.py
index ed02767..a6c20eb 100644
--- a/jsonschema/validators.py
+++ b/jsonschema/validators.py
@@ -229,7 +229,9 @@ def create(
 
     if version is not None:
         Validator = validates(version)(Validator)
-        Validator.__name__ = version.title().replace(" ", "") + "Validator"
+        Validator.__name__ = (
+            version.title().replace(" ", "").replace("-", "") + "Validator"
+        )
 
     return Validator