[hotfix] Lint formatting for new Tune optimizer ZOOpt (#8040)

* formatting

* removedill

* lint

doc/source/conf.py

@@ -32,7 +32,8 @@ MOCK_MODULES = [
     "tensorflow.contrib.rnn", "tensorflow.contrib.slim", "tensorflow.core",
     "tensorflow.core.util", "tensorflow.python", "tensorflow.python.client",
     "tensorflow.python.util", "torch", "torch.distributed", "torch.nn",
-    "torch.nn.parallel", "torch.utils.data", "torch.utils.data.distributed"
+    "torch.nn.parallel", "torch.utils.data", "torch.utils.data.distributed",
+    "zoopt"
 ]
 for mod_name in MOCK_MODULES:
     sys.modules[mod_name] = mock.Mock()

doc/source/tune/api_docs/suggestion.rst

@@ -48,6 +48,11 @@ SkOptSearch
 
 .. autoclass:: ray.tune.suggest.skopt.SkOptSearch
 
+ZOOptSearch
+-----------
+
+.. autoclass:: ray.tune.suggest.zoopt.ZOOptSearch
+
 SearchAlgorithm
 ---------------