update editorconfig, enforce via CI (#1343)

* update editorconfig to set unix-style newlines and trim whitespace

* add editorconfig github action to the CI

* fix whitespace

test/extra/test_utils.py

@@ -6,7 +6,7 @@ from unittest.mock import patch, MagicMock
 
 import torch
 import numpy as np
-from tinygrad.helpers import getenv 
+from tinygrad.helpers import getenv
 from extra.utils import fetch, temp, download_file
 from tinygrad.state import torch_load
 from PIL import Image
@@ -33,7 +33,7 @@ class TestFetchRelative(unittest.TestCase):
     os.chdir(self.tempdir.name)
     with open('test_file.txt', 'x') as f:
         f.write("12345")
-  
+
   def tearDown(self):
     os.chdir(self.working_dir)
     self.tempdir.cleanup()
@@ -41,7 +41,7 @@ class TestFetchRelative(unittest.TestCase):
   #test ./
   def test_fetch_relative_dotslash(self):
     self.assertEqual(b'12345', fetch("./test_file.txt"))
-  
+
   #test ../
   def test_fetch_relative_dotdotslash(self):
       os.mkdir('test_file_path')
@@ -92,7 +92,7 @@ class TestUtils(unittest.TestCase):
     )
     if isfloat16: model = model.half()
 
-    path = temp(f"test_load_{isfloat16}.pt") 
+    path = temp(f"test_load_{isfloat16}.pt")
     torch.save(model.state_dict(), path)
     model2 = torch_load(path)
 
@@ -102,5 +102,6 @@ class TestUtils(unittest.TestCase):
       assert a.shape == b.shape
       assert a.dtype == b.dtype
       assert np.array_equal(a, b)
+
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main()