add spaces in .md annotation for python indent (#41260)

Summary: Pull Request resolved: #41260

Reviewed By: ezyang

Differential Revision: D22504634

Pulled By: ailzhang

fbshipit-source-id: 9d2d605dc19b07896ee4b1811fcd34d4dcb9b0c7

Author: 蔡舒起

torch/jit/_script.py

@@ -821,9 +821,9 @@ def __init__(self):
                     self.conv2 = torch.jit.trace(nn.Conv2d(20, 20, 5), torch.rand(1, 20, 16, 16))
 
                 def forward(self, input):
-                  input = F.relu(self.conv1(input))
-                  input = F.relu(self.conv2(input))
-                  return input
+                    input = F.relu(self.conv1(input))
+                    input = F.relu(self.conv2(input))
+                    return input
 
             scripted_module = torch.jit.script(MyModule())
 
@@ -936,10 +936,10 @@ def unsupported_linear_op(x):
             return x
 
         def linear(x):
-           if not torch.jit.is_scripting():
-              return torch.linear(x)
-           else:
-              return unsupported_linear_op(x)
+            if not torch.jit.is_scripting():
+                return torch.linear(x)
+            else:
+                return unsupported_linear_op(x)
     """
     return False