[BE] Update flake8-comprehensions and adapt to rule C418 (pytorch#99178)

Applies rule C418 and fixes all instances of it. Also updates flake8-comprehension

Pull Request resolved: pytorch#99178
Approved by: https://github.com/ezyang

.flake8

@@ -14,7 +14,7 @@ ignore =
     # these ignores are from flake8-bugbear; please fix!
     B007,B008,B017,B019,B020,B023,B024,B026,B027,B028,B903,B904,B905,B906,B907
     # these ignores are from flake8-comprehensions; please fix!
-    C407
+    C407,C419,
     # these ignores are from flake8-logging-format; please fix!
     G100,G101,G200,G201,G202
     # these ignores are from flake8-simplify. please fix or ignore with commented reason

.lintrunner.toml

@@ -35,7 +35,7 @@ init_command = [
     '--dry-run={{DRYRUN}}',
     'flake8==6.0.0',
     'flake8-bugbear==23.3.23',
-    'flake8-comprehensions==3.11.1',
+    'flake8-comprehensions==3.12.0',
     'flake8-executable==2.1.3',
     'flake8-logging-format==0.9.0',
     'flake8-pyi==23.3.1',

test/jit/test_list_dict.py

@@ -263,7 +263,7 @@ def fn():
 
     def test_dict_keyword_with_mapping(self):
         def fn():
-            return dict({"foo" : 1, "bar" : 2, "baz" : 3})
+            return {"foo" : 1, "bar" : 2, "baz" : 3}
 
         self.checkScript(fn, ())
 
@@ -275,7 +275,7 @@ def fn():
 
     def test_dict_keyword_with_dict_comprehension(self):
         def fn():
-            return dict({i: chr(i + 65) for i in range(4)})
+            return {i: chr(i + 65) for i in range(4)}
 
         self.checkScript(fn, ())
 
@@ -287,7 +287,7 @@ def fn():
 
     def test_dict_keyword_with_empty_dict_comprehension(self):
         def fn():
-            return dict({})
+            return {}
 
         self.checkScript(fn, ())
 

test/test_datapipe.py

@@ -2185,7 +2185,7 @@ def test_issubinstance(self):
             self.assertFalse(issubinstance(d, t[int]))  # type: ignore[index]
 
         # dict
-        d = dict({'1': 1, '2': 2.})
+        d = {'1': 1, '2': 2.}
         self.assertTrue(issubinstance(d, Dict))
         self.assertTrue(issubinstance(d, Dict[str, T_co]))
         self.assertFalse(issubinstance(d, Dict[str, int]))

torch/ao/pruning/_mappings.py

@@ -5,14 +5,14 @@
 
 def get_static_sparse_quantized_mapping():
     import torch.ao.nn.sparse
-    _static_sparse_quantized_mapping = dict({
+    _static_sparse_quantized_mapping = {
         torch.nn.Linear: torch.ao.nn.sparse.quantized.Linear,
-    })
+    }
     return _static_sparse_quantized_mapping
 
 def get_dynamic_sparse_quantized_mapping():
     import torch.ao.nn.sparse
-    _dynamic_sparse_quantized_mapping = dict({
+    _dynamic_sparse_quantized_mapping = {
         torch.nn.Linear: torch.ao.nn.sparse.quantized.dynamic.Linear,
-    })
+    }
     return _dynamic_sparse_quantized_mapping