Merge pull request #1896 from abergeron/cuda_fftconv

theano/sandbox/cuda/opt.py

@@ -40,7 +40,6 @@ from theano.sandbox.cuda.elemwise import SupportCodeError
 from theano.scalar.basic_scipy import Erfinv
 from theano.sandbox.cuda.elemwise import erfinv_gpu
 from theano.sandbox.cuda.var import CudaNdarrayConstant
-from theano.sandbox.cuda.fftconv import conv2d_fft
 from theano.scan_module import scan_utils, scan_op, scan_opt
 from theano.tensor.blas import _is_real_vector, _is_real_matrix
 linalg = None
@@ -1122,6 +1121,8 @@ def local_gpu_conv(node):
 
 @local_optimizer([GpuConv])
 def local_conv_fft_valid(node):
+    # import locally to avoid pycuda warnings
+    from theano.sandbox.cuda.fftconv import conv2d_fft
     if (isinstance(node.op, GpuConv) and
         node.op.border_mode == 'valid' and
         node.op.subsample == (1, 1)):
@@ -1130,6 +1131,8 @@ def local_conv_fft_valid(node):
 
 @local_optimizer([GpuConv])
 def local_conv_fft_full(node):
+    # import locally to avoid pycuda warnings
+    from theano.sandbox.cuda.fftconv import conv2d_fft
     if (isinstance(node.op, GpuConv) and
         node.op.border_mode == 'full' and
         node.op.subsample == (1, 1)):