[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypyc/primitives/weakref_ops.py

@@ -7,7 +7,7 @@
 py_new_weak_ref_op = function_op(
     name="weakref.weakref",
     arg_types=[object_rprimitive],
-    # TODO: how do I pass NULL as the 2nd arg? 
+    # TODO: how do I pass NULL as the 2nd arg?
     #extra_int_constants=[],
     result_type=object_rprimitive,
     c_function_name="PyWeakref_NewRef",