message: [Conv2D]: fix group for Keras
diff: @@ -24,7 +24,7 @@ from flexflow.keras.initializers import Zeros, GlorotUniform, RandomUniform, Ran
  class Conv2D(Layer):
  __slots__ = ['in_channels', 'out_channels', 'kernel_size', 'stride', \
  - 'padding', 'activation', 'use_bias', 'kernel_initializer', \
  + 'padding', 'groups', 'activation', 'use_bias', 'kernel_initializer', \
  'bias_initializer']
  def __init__(self,
  filters,
  @@ -49,8 +49,6 @@ class Conv2D(Layer):
  assert 0, "data_format channels_last is not supported"
  if dilation_rate != (1,1):
  assert 0, "dilation_rate is not supported"
  - #if groups != 1:
  - # assert 0, "groups is not supported"
  if kernel_regularizer != None:
  assert 0, "kernel_regularizer is not supported"
  if bias_regularizer != None:
  @@ -93,6 +91,7 @@ class Conv2D(Layer):
  self.padding = tuple(padding)
  else:
  assert 0, "[Conv2D]: check padding"
  + self.groups = groups
  if (activation == None):
  self.activation = ff.ActiMode.AC_MODE_NONE
  elif(activation =="relu"):
  