Small fixes

Author: fchollet

keras/engine/training.py

@@ -10,11 +10,6 @@
 import numpy as np
 from scipy.sparse import issparse
 
-try:
-    import queue
-except ImportError:
-    import Queue as queue
-
 from .topology import Container
 from .. import backend as K
 from .. import optimizers

keras/layers/recurrent.py

@@ -1726,7 +1726,7 @@ def build(self, input_shape):
 
         if self.use_bias:
             if self.unit_forget_bias:
-                def bias_initializer(shape, *args, **kwargs):
+                def bias_initializer(_, *args, **kwargs):
                     return K.concatenate([
                         self.bias_initializer((self.units,), *args, **kwargs),
                         initializers.Ones()((self.units,), *args, **kwargs),