fix lint

Author: xinyazhang

aten/src/ATen/Context.h

@@ -689,16 +689,18 @@ struct TORCH_API NoTF32Guard {
   bool changed = false;
 };
 
-template<Float32Backend target_backend, Float32Op target_op>
+template <Float32Backend target_backend, Float32Op target_op>
 struct Fp32PrecisonGuard {
   Fp32PrecisonGuard(const Float32Precision new_precision) {
     if (new_precision == Float32Precision::NONE) {
-      return ;
+      return;
     }
-    saved_precision = globalContext().float32Precision(target_backend, target_op);
+    saved_precision =
+        globalContext().float32Precision(target_backend, target_op);
     changed = (new_precision != saved_precision);
     if (changed) {
-      globalContext().setFloat32Precision(target_backend, target_op, new_precision);
+      globalContext().setFloat32Precision(
+          target_backend, target_op, new_precision);
     }
   }
   Fp32PrecisonGuard(Fp32PrecisonGuard&& other) = delete;
@@ -707,9 +709,11 @@ struct Fp32PrecisonGuard {
   Fp32PrecisonGuard& operator=(Fp32PrecisonGuard&&) = delete;
   ~Fp32PrecisonGuard() {
     if (changed) {
-      globalContext().setFloat32Precision(target_backend, target_op, saved_precision);
+      globalContext().setFloat32Precision(
+          target_backend, target_op, saved_precision);
     }
   }
+
  private:
   Float32Precision saved_precision;
   bool changed = false;

torch/backends/cuda/__init__.py

@@ -205,6 +205,7 @@ def __setattr__(self, name, value):
             return torch._C._set_fp32_precision_setter("cuda", "matmul", value)
         raise AttributeError("Unknown attribute " + name)
 
+
 class MathSDPModule:
     def __getattr__(self, name):
         if name == "fp32_precision":