fix ppyoloe_contrast_head inherit (#7709)

ppdet/modeling/heads/ppyoloe_contrast_head.py

@@ -17,14 +17,10 @@ import paddle.nn as nn
 import paddle.nn.functional as F
 from ppdet.core.workspace import register
 
-from ..bbox_utils import batch_distance2bbox
-from ..losses import GIoULoss
-from ..initializer import bias_init_with_prob, constant_, normal_
+from ..initializer import bias_init_with_prob, constant_
 from ..assigners.utils import generate_anchors_for_grid_cell
-from ppdet.modeling.backbones.cspresnet import ConvBNLayer
-from ppdet.modeling.ops import get_static_shape, get_act_fn
-from ppdet.modeling.layers import MultiClassNMS
 from ppdet.modeling.heads.ppyoloe_head import PPYOLOEHead
+
 __all__ = ['PPYOLOEContrastHead']
 
 
@@ -32,7 +28,7 @@ __all__ = ['PPYOLOEContrastHead']
 class PPYOLOEContrastHead(PPYOLOEHead):
     __shared__ = [
         'num_classes', 'eval_size', 'trt', 'exclude_nms',
-        'exclude_post_process', 'use_shared_conv'
+        'exclude_post_process', 'use_shared_conv', 'for_distill'
     ]
     __inject__ = ['static_assigner', 'assigner', 'nms', 'contrast_loss']
 
@@ -58,15 +54,17 @@ class PPYOLOEContrastHead(PPYOLOEHead):
                      'dfl': 0.5,
                  },
                  trt=False,
+                 attn_conv='convbn',
                  exclude_nms=False,
                  exclude_post_process=False,
-                 use_shared_conv=True):
+                 use_shared_conv=True,
+                 for_distill=False):
         super().__init__(in_channels, num_classes, act, fpn_strides,
                          grid_cell_scale, grid_cell_offset, reg_max, reg_range,
                          static_assigner_epoch, use_varifocal_loss,
                          static_assigner, assigner, nms, eval_size, loss_weight,
-                         trt, exclude_nms, exclude_post_process,
-                         use_shared_conv)
+                         trt, attn_conv, exclude_nms, exclude_post_process,
+                         use_shared_conv, for_distill)
 
         assert len(in_channels) > 0, "len(in_channels) should > 0"
         self.contrast_loss = contrast_loss