Minor tidying.

jsonschema/cli.py

@@ -64,11 +64,10 @@ def main(args=sys.argv[1:]):
 def run(arguments, stdout=sys.stdout, stderr=sys.stderr):
     error_format = arguments["error_format"]
     validator = arguments["validator"](schema=arguments["schema"])
-    errored = False
 
-    # add a check to the schema file first
     validator.check_schema(arguments["schema"])
 
+    errored = False
     for instance in arguments["instances"] or ():
         for error in validator.iter_errors(instance):
             stderr.write(error_format.format(error=error))

jsonschema/tests/test_cli.py

@@ -1,7 +1,7 @@
 from jsonschema import Draft4Validator, ValidationError, cli
 from jsonschema.compat import StringIO
-from jsonschema.tests.compat import mock, unittest
 from jsonschema.exceptions import SchemaError
+from jsonschema.tests.compat import mock, unittest
 
 
 def fake_validator(*errors):
@@ -17,7 +17,7 @@ def fake_validator(*errors):
             return []
 
         def check_schema(self, schema):
-            return True
+            pass
 
     return FakeValidator