Fix missing trailing commas.draft2020-12

Add flake8-commas to ensure this stays the case.

1 files changed, 6 insertions, 7 deletions

diff --git a/jsonschema/_legacy_validators.py b/jsonschema/_legacy_validators.py
index 7cb6df9..63adf49 100644
--- a/jsonschema/_legacy_validators.py
+++ b/jsonschema/_legacy_validators.py
@@ -32,9 +32,8 @@ def dependencies_draft3(validator, dependencies, instance, schema):
                 yield error
         elif validator.is_type(dependency, "string"):
             if dependency not in instance:
-                yield ValidationError(
-                    "%r is a dependency of %r" % (dependency, property)
-                )
+                message = "%r is a dependency of %r"
+                yield ValidationError(message % (dependency, property))
         else:
             for each in dependency:
                 if each not in instance:
@@ -77,7 +76,7 @@ def disallow_draft3(validator, disallow, instance, schema):
     for disallowed in _utils.ensure_list(disallow):
         if validator.is_valid(instance, {"type": [disallowed]}):
             yield ValidationError(
-                "%r is disallowed for %r" % (disallowed, instance)
+                "%r is disallowed for %r" % (disallowed, instance),
             )
 
 
@@ -136,7 +135,7 @@ def minimum_draft3_draft4(validator, minimum, instance, schema):
 
     if failed:
         yield ValidationError(
-            "%r is %s the minimum of %r" % (instance, cmp, minimum)
+            "%r is %s the minimum of %r" % (instance, cmp, minimum),
         )
 
 
@@ -153,7 +152,7 @@ def maximum_draft3_draft4(validator, maximum, instance, schema):
 
     if failed:
         yield ValidationError(
-            "%r is %s the maximum of %r" % (instance, cmp, maximum)
+            "%r is %s the maximum of %r" % (instance, cmp, maximum),
         )
 
 
@@ -208,5 +207,5 @@ def contains_draft6_draft7(validator, contains, instance, schema):
 
     if not any(validator.is_valid(element, contains) for element in instance):
         yield ValidationError(
-            "None of %r are valid under the given schema" % (instance,)
+            "None of %r are valid under the given schema" % (instance,),
         )