PEP8 fixes in tests.

tests/keras/engine/test_topology.py

@@ -9,6 +9,7 @@ from keras import backend as K
 from keras.models import model_from_json, model_from_yaml
 from keras.utils.test_utils import keras_test
 
+
 @keras_test
 def test_get_updates_for():
     a = Input(shape=(2,))

tests/keras/test_callbacks.py

@@ -96,6 +96,7 @@ def test_ModelCheckpoint():
     os.remove(filepath.format(epoch=1))
     os.remove(filepath.format(epoch=3))
 
+
 def test_EarlyStopping():
     (X_train, y_train), (X_test, y_test) = get_test_data(nb_train=train_samples,
                                                          nb_test=test_samples,

tests/keras/wrappers/test_scikit_learn.py

@@ -49,6 +49,7 @@ def test_clasify_build_fn():
 
 def test_clasify_class_build_fn():
     class ClassBuildFnClf(object):
+
         def __call__(self, hidden_dims):
             return build_fn_clf(hidden_dims)
 
@@ -61,6 +62,7 @@ def test_clasify_class_build_fn():
 
 def test_clasify_inherit_class_build_fn():
     class InheritClassBuildFnClf(KerasClassifier):
+
         def __call__(self, hidden_dims):
             return build_fn_clf(hidden_dims)
 
@@ -110,6 +112,7 @@ def test_regression_build_fn():
 
 def test_regression_class_build_fn():
     class ClassBuildFnReg(object):
+
         def __call__(self, hidden_dims):
             return build_fn_reg(hidden_dims)
 
@@ -122,6 +125,7 @@ def test_regression_class_build_fn():
 
 def test_regression_inherit_class_build_fn():
     class InheritClassBuildFnReg(KerasRegressor):
+
         def __call__(self, hidden_dims):
             return build_fn_reg(hidden_dims)