Update README.md

README.md

@@ -43,8 +43,10 @@ CUDA == your version
 3.1 Check if Paddleseg is installed successfully: 
 
 After the installation is complete, use python/python3 to enter the Python interpreter, then
-                import paddle
-                paddle.utils.run_check()
+
+        import paddle
+        
+        paddle.utils.run_check()
 
 
 ## Usage