remove useless imports

Author: HydrogenSulfate

ppsci/constraint/initial_constraint.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import types
 from typing import Any
 from typing import Callable
 from typing import Dict

ppsci/data/dataset/csv_dataset.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import types
 from typing import Callable
 from typing import Dict
 from typing import Optional

ppsci/geometry/pointcloud.py

@@ -15,13 +15,11 @@
 from typing import Dict
 from typing import Optional
 from typing import Tuple
-from typing import Union
 
 import numpy as np
 
 import ppsci.utils.misc as misc
 from ppsci.geometry import geometry
-from ppsci.utils import reader
 
 
 class PointCloud(geometry.Geometry):

ppsci/validate/geo_validator.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import types
 from typing import Any
 from typing import Callable
 from typing import Dict

ppsci/visualize/visualizer.py

@@ -21,8 +21,6 @@
 import numpy as np
 import paddle
 
-from ppsci.utils import logger
-from ppsci.utils import misc
 from ppsci.visualize import base
 from ppsci.visualize import plot
 from ppsci.visualize import vtu