lots of bug fixes

edgewise_spline_weighting.py

@@ -8,6 +8,7 @@ def edgewise_spline_weighting(input, weight, amount, index):
     if input.is_cuda:
         K, M_in, M_out = weight.size()
         k_max = amount.size(1)
-        return EdgewiseSplineWeightingGPU(amount, index, K, M_in, M_out, k_max)(input, weight)
+        return EdgewiseSplineWeightingGPU(amount, index, K, M_in, M_out,
+                                          k_max)(input, weight)
     else:
         raise NotImplementedError

spline_conv.py

@@ -16,6 +16,9 @@ def spline_conv(
         degree=1,
         bias=None):
 
+    if input.dim() == 1:
+        input = input.unsqueeze(1)
+
     values = adj._values()
     row, col = adj._indices()