Update EcaModule.py

Make pylint happy
(commas, unused imports, missed imports)

timm/models/EcaModule.py

@@ -31,10 +31,8 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 '''
-import torch
 from torch import nn
-from torch.nn.parameter import Parameter
-
+import torch.nn.functional as F
 
 class EcaModule(nn.Module):
     """Constructs a ECA module.
@@ -100,7 +98,7 @@ class CecaModule(nn.Module):
         #pytorch circular padding mode is bugged as of pytorch 1.4
         # see https://github.com/pytorch/pytorch/pull/17240
         #implement manual circular padding
-        self.conv = nn.Conv1d(1, 1, kernel_size=k_size, padding = 0, bias=False)
+        self.conv = nn.Conv1d(1, 1, kernel_size=k_size, padding=0, bias=False)
         self.padding = (k_size - 1) // 2
         self.sigmoid = nn.Sigmoid()
 
@@ -109,7 +107,7 @@ class CecaModule(nn.Module):
         y = self.avg_pool(x)
 
         #manually implement circular padding, F.pad does not seemed to be bugged
-        y = F.pad(y.view(x.shape[0],1,-1),(self.padding,self.padding),mode='circular')
+        y = F.pad(y.view(x.shape[0], 1, -1), (self.padding, self.padding), mode='circular')
 
         # Two different branches of ECA module
         y = self.conv(y)