Remove some unused imports.

comfy/ldm/cascade/stage_b.py

@@ -17,7 +17,6 @@
 """
 
 import math
-import numpy as np
 import torch
 from torch import nn
 from .common import AttnBlock, LayerNorm2d_op, ResBlock, FeedForwardBlock, TimestepBlock

comfy/ldm/cascade/stage_c.py

@@ -18,7 +18,6 @@
 
 import torch
 from torch import nn
-import numpy as np
 import math
 from .common import AttnBlock, LayerNorm2d_op, ResBlock, FeedForwardBlock, TimestepBlock
 # from .controlnet import ControlNetDeliverer

comfy/ldm/models/autoencoder.py

@@ -1,6 +1,4 @@
 import torch
-# import pytorch_lightning as pl
-import torch.nn.functional as F
 from contextlib import contextmanager
 from typing import Any, Dict, List, Optional, Tuple, Union
 

comfy/ldm/modules/attention.py

@@ -3,7 +3,7 @@ import torch
 import torch.nn.functional as F
 from torch import nn, einsum
 from einops import rearrange, repeat
-from typing import Optional, Any
+from typing import Optional
 import logging
 
 from .diffusionmodules.util import AlphaBlender, timestep_embedding