Ok so far i seem to make progress. The Numpy is apperently no in the right form. But i assume my Network is somehow wrong?
I added my Full code to my original Post.
my error:

<class 'torch.Tensor'>
tensor([[[[ 1.0000,  1.0000,  1.0000,  ...,  1.0000,  1.0000,  1.0000],
        
          [ 0.8745,  0.8745,  0.8745,  ...,  0.8745,  0.8745,  0.8745]]],

          [ 0.8745,  0.8745,  0.8745,  ...,  0.8745,  0.8745,  0.8745]]]])
torch.Size([10, 1, 560, 656])
Traceback (most recent call last):

  File "<ipython-input-2-4f1765267e06>", line 1, in <module>
    runfile('D:/Nextcloud/Python/Gamebot/model.py', wdir='D:/Nextcloud/Python/Gamebot')

  File "D:\Programme\Anaconda\envs\DeepLearning\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 678, in runfile
    execfile(filename, namespace)

  File "D:\Programme\Anaconda\envs\DeepLearning\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 106, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "D:/Nextcloud/Python/Gamebot/model.py", line 79, in <module>
    outputs = net(inputs)

  File "D:\Programme\Anaconda\envs\DeepLearning\lib\site-packages\torch\nn\modules\module.py", line 491, in __call__
    result = self.forward(*input, **kwargs)

  File "D:/Nextcloud/Python/Gamebot/model.py", line 50, in forward
    x = self.pool(F.relu(self.conv1(x)))

  File "D:\Programme\Anaconda\envs\DeepLearning\lib\site-packages\torch\nn\modules\module.py", line 491, in __call__
    result = self.forward(*input, **kwargs)

  File "D:\Programme\Anaconda\envs\DeepLearning\lib\site-packages\torch\nn\modules\pooling.py", line 142, in forward
    self.return_indices)

  File "D:\Programme\Anaconda\envs\DeepLearning\lib\site-packages\torch\nn\functional.py", line 360, in max_pool2d
    ret = torch._C._nn.max_pool2d(input, kernel_size, stride, padding, dilation, ceil_mode)

RuntimeError: Given input size: (10x1x1). Calculated output size: (10x0x0). Output size is too small at c:\programdata\miniconda3\conda-bld\pytorch_1524546371102\work\aten\src\thnn\generic/SpatialDilatedMaxPooling.c:67