Fix flake8

Author: nicolas-chaulet

.github/workflows/tests.yaml

@@ -23,7 +23,7 @@ jobs:
                   # stop the build if there are Python syntax errors or undefined names
                   flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
                   # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-                  run flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+                  flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
             - name: Test with unittest
               run: |
                   python -m unittest -v

torch_points/torchpoints.py

@@ -2,7 +2,7 @@
 from torch.autograd import Function
 import torch.nn as nn
 import sys
-from typing import Optional
+from typing import Optional, Any, Tuple
 
 import torch_points.points_cpu as tpcpu